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Adeptus Astartes Icon

The icon of the Adeptus Astartes

This is a list of official Space Marine Chapters created by Games Workshop. It does not include any fan-created Chapters, nor any Traitor Legions, other Renegade Chapters of Chaos Space Marines or those Space Marine Chapters considered Excommunicate Traitoris by the High Lords of Terra whether they serve the Dark Gods or not.

This is not a complete list, as not every Chapter in existence in the Imperium of Man is known. A separate list exists for Renegade Space Marine Chapters and Chaos Space Marine warbands.

Please note: Fan-created Chapters must be posted at the Warhammer 40,000 Homebrew Wiki and not on this page.

A

Name Origin Founding Notes
Absolvers Unknown Unknown The Absolvers is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin. Enigmatic and dour, the Absolvers Chapter of the Astartes are based -- and now trapped -- in the Gilead System due to the birth of the Great Rift.
Accipiters Unknown Unknown The Accipiters is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Adamantine Lions Unknown Unknown The Adamantine Lions is a Loyalist Space Marine Chapter of unknown Founding and origin.
Adulators Unknown Unknown The Adulators is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angel Guard Unknown Unknown The Angel Guard is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels Encarmine Blood Angels Second Founding The Angels Encarmine is a Second Founding Successor Chapter of the Blood Angels. This Chapter is very rarely at full strength due to its highly active nature and willingness to intervene anywhere in the galaxy to protect the Emperor's people.
Angels Eradicant Unknown Unknown The Angels Eradicant is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Angels Erythrean Blood Angels Third Founding Unknown to the rest of their fellow Blood Angels successors in the Sanguinary Brotherhood, this mysterious and aloof Chapter plies the outer void of the Ghoul Stars, the mysterious region of the galaxy located beyond the furthest reaches of known space, northeast of the Segmentum Ultima beyond the Eastern Fringe.
Angels Excelsis Blood Angels Unknown The Angels Excelsis was a Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding of the 36th Millennium. The Angels Excelsis were destroyed to the last Astartes during the Devastation of Baal in 999.M41.
Angels Glorious Blood Angels Unknown The Angels Glorious was a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding and wholly destroyed during the Devastation of Baal in ca. 999.M41.
Angels Numinous Blood Angels Unknown The Angels Numinous is a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels created during an unknown Founding.
Angels of Absolution Dark Angels Second Founding The Angels of Absolution is a Second Founding Chapter of the Dark Angels. However, unlike their fellow Unforgiven, the Angels of Absolution feel that their shame in the eyes of the Emperor of Mankind has already been wiped away and they have earned His absolution.
Angels of Damnation Unknown Unknown The Angels of Damnation is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels of Defiance Dark Angels Ultima Founding The Angels of Defiance is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines created from the lineage of the mysterious Dark Angels and raised during the Ultima Founding of 999.M41.
Angels of Fire Unknown Unknown The Angels of Fire is a Loyalist Space Marine Chapter of unknown origin, founded during the 36th Millennium.
Angels of Fury Ultramarines (Officially); Novamarines (Suspected) Unknown The Angels of Fury is a Codex Astartes-compliant Loyalist Space Marine Chapter that was created from Ultramarines gene-seed in an unknown Founding. It had the honour of being under the tutelage of the venerable Novamarines Chapter following its inception.
Angels of Iron Unknown Unknown The Angels of Iron is a Loyalist Space Marine Chapter of unknown Founding and origin.
Angels of Light Blood Angels Unknown The Angels of Light is a Loyalist Space Marine Chapter and a Successor of the Blood Angels, raised during an unknown Founding.
Angels of Penance Unknown Unknown The Angels of Penance is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels of Purgatory Unknown Unknown The Angels of Purgatory is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels of Redemption Dark Angels Second Founding The Angels of Redemption is a Second Founding Successor Chapter of the Dark Angels.
Angels of Repentance Unknown Unknown The Angels of Repentance is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels of Retribution Unknown Unknown The Angels of Retribution was a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels of the Grail Blood Angels Unknown The Angels of the Grail are a Loyalist Chapter who are successors of the Blood Angels raised during an unknown Founding. Their Chapter planet is known as Eden.
Angels of Vengeance Dark Angels Second Founding The Angels of Vengeance is a Second Founding Successor Chapter of the Dark Angels.
Angels of Vigilance Unknown Second Founding The Angels of Vigilance is a Loyalist Space Marine Chapter believed to have been created during the Second Founding from an unknown origin.
Angels of Wrath Dark Angels 10th Founding (Unconfirmed) The Angels of Wrath is a Successor Chapter of the original Dark Angels Space Marine Legion and is numbered amongst the ranks of the Unforgiven.
Angels Penitent Blood Angels Unknown The Angels Penitent is a Codex Astartes-compliant Loyalist Successor Chapter of the Blood Angels, created during an unknown Founding. Prior to the arrival of the mysterious individual known only as the "Undying Martyr," the Chapter was known as the Angels Resplendent.
Angels Porphyr Unknown Unknown The Angels Porphyr is a Loyalist Space Marine Chapter that was founded during the 31st Millennium, its actual Founding and origin remain unknown.
Angels Puissant Unknown Unknown The Angels Puissant is a Loyalist Space Marine Chapter of unknown Founding and origin.
Angels Redeemed Unknown Unknown The Angels Redeemed is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels Repentant Unknown Unknown The Angels Repentant is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Angels Resplendent Blood Angels Unknown The Angels Resplendent is a little-known Codex Astartes-compliant Loyalist Successor Chapter of the Blood Angels, created during an unknown Founding. Many amongst this Chapter were once fine artisans, echoing their genetic forebears. Recently, the arrival of a strange mortal known as the "Undying Martyr" led to the Chapter's conversion to a puritanical variant of the Imperial Creed. The Angels Resplendent renamed themselves the Angels Penitent.
Angels Revenant Ultramarines 8th Founding The Angels Revenant is a Codex Astartes-compliant Loyalist Space Marine Chapter and a Successor Chapter of the Ultramarines. The Angels Revenant met their fate with the rise of the Necron Maynarkh Dynasty within the Orpheus Sector of the Segmentum Tempestus in 991.M41. The only survivors were those members of the Chapter who were far from the Orpheus Sector on Crusade.
Angels Sanguine Blood Angels Second Founding The Angels Sanguine is a Loyalist Chapter of Space Marines and a Second Founding Successor Chapter of the Blood Angels. It has a long and glorious history, having been pivotal in many victories against the Chaos horrors that have emerged from the Eye of Terror. Yet the shadow of the Blood Angels' genetic flaw lingers ever about the Angels Sanguine.
Angels Vermillion Blood Angels Second Founding The Angels Vermillion is a Second Founding Successor Chapter of the Blood Angels.
Angels Vindicant Unknown Unknown The Angels Vindicant is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Aquiloan Brotherhood Ultramarines Unknown The Aquiloan Brotherhood is a Loyalist Space Marine Chapter of unknown Founding and a successor of the Ultramarines.
Astral Bears White Scars Ultima Founding The Astral Bears are a Loyalist Space Marine Chapter created from the White Scars' genetic lineage during the Ultima Founding. It is composed entirely of Primaris Space Marines.
Astral Blades unknown unknown The Astral Blades Chapter was possessed by the Daemon Etherak the Unrepentant, slaughtering those able to resist daemon's influence. The Grey Knights ambushed and defeated the corrupted battle-brothers.
Astral Drakes Unknown Unknown The Astral Drakes was a Loyalist Space Marine Chapter of unknown Founding and origin. It was annihilated to the last man by the Ork Warlord Ghazghkull Mag Uruk Thraka.
Astral Fists Unknown Unknown The Astral Fists is a Loyalist Space Marine Chapter of unknown Founding and origin. Its only notable engagement was when it was ordered to engage the Tyranids' Hive Fleet Echidna splinter fleet.
Astral Hawks Unknown Unknown The Astral Hawks is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Astral Knights Imperial Fists Unknown The Astral Knights was a Loyalist Codex Astartes-compliant Space Marine Chapter from an unknown Founding that ass a Successor Chapter of the Imperial Fists. The Astral Knights sacrificed nearly their entire Chapter in 926.M41 to destroy the hideous threat to the Imperium called the World Engine in the Vidar Sector.
Astral Spears Unknown Unknown The Astral Spears is a Loyalist Space Marine Chapter of unknown Founding and origin. During the Indomitus Crusade, the Torchbearer Fleet Conqueror's Forge delivered the technology to create Primaris Space Marines to the Chapter.
Atlantian Spears Blood Angels Unknown The Atlantian Spears is a Loyalist Space Marine Chapter of unknown Founding that is a Successor Chapter of the Blood Angels.
Auric Patricians Unknown Unknown The Auric Patricians is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Aurora Chapter Ultramarines Second Founding The Aurora Chapter is a Loyalist Chapter of Space Marines that is a Second Founding Successor Chapter of the Ultramarines. It took its name from the principally armoured formations of the XIII Legion during the Great Crusade, who helped halt an Ork advance on the ash plains of Cypra Mundi, and in doing so had saved a city of millions from a savage death.
Aurora Talons Unknown Unknown The Aurora Talons is a Loyalist Space Marine Chapter of unknown Founding and origin. Like many more unorthodox Chapters, some utilise unique titles that are products of Chapter history and creed. The Aurora Talons are known for maintaining no less than five "Master Bombadiers" in their command roster.
Avengers Unknown Unknown The Avengers is a Loyalist Space Marines Chapter of unknown Founding and origin.
Avenging Sons Ultramarines 19th Founding The Avenging Sons is a Codex Astartes-compliant Loyalist Space Marines Chapter originally created during the 19th Founding from the gene-seed of the Ultramarines. The Avenging Sons hail from the world of Traekonnis Major.

B

Name Origin Founding Notes
Benedictors Unknown Unknown The Benedictors is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Black Consuls Ultramarines Second Founding The Black Consuls is a Loyalist Space Marine Chapter that was a Second Founding Successor or Primogenitor Chapter of the Ultramarines. The Black Consuls were recorded as having been annihilated at the Siege of Goddeth Hive in 455.M41 by elements of the Word Bearers Traitor Legion. Their current status is unknown, though Imperial records indicate that a force of Black Consuls is still operating in the Jericho Reach as part of the Achilus Crusade.
Black Crusaders Unknown Unknown The Black Crusaders is a little-known Loyalist Space Marine Chapter of unknown Founding and origin. The Black Crusaders were the first to encounter the Grot Bomm Launcha on Guilus II.
Black Dragons Salamanders (Unconfirmed) 21st Founding The Black Dragons is a Loyalist Space Marine Chapter from the "Cursed" 21st Founding. Its gene-seed is defective and riddled with mutation.
Black Guard Raven Guard Second Founding The Black Guard is a Loyalist Space Marine Chapter and a rare Raven Guard Successor Chapter of the Second Founding. Much of this Chapter's history has been lost to Imperial records.
Black Inculpators Unknown Unknown The Black Inculpators is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Black Ravens Unknown Unknown The Black Ravens was a Loyalist Space Marine Chapter of unknown Founding and origin. Unfortunately, the Black Ravens met their end while fighting the Harvest warband of the Khorne Daemonkin within walls of their own fortress-monastery.
Black Talons Unknown Unknown The Black Talons is a Loyalist Space Marine Chapter of unknown Founding and orign.
Black Templars Imperial Fists Second Founding The Black Templars is a Loyalist Second Founding Space Marines Chapter derived from the Imperial Fists' gene-seed and their Primarch, Rogal Dorn. Its origin can be traced back to the Imperial Fists' defence of Terra during the Horus Heresy. Since that time, the Black Templars have been on the longest Crusade the Imperium of Man has ever known to prove their loyalty to the Emperor of Mankind.
Black Vipers Salamanders Ultima Founding The Black Vipers is a Loyalist Space Marine Chapter and a successor of the Salamanders. It is a Chapter composed wholly of Primaris Space Marines and was raised during the Ultima Founding of ca. 999.M41 by Archmagos Dominus Belisarius Cawl.
Black Vultures Unknown Ultima Founding The Black Vultures is a Loyalist Space Marine Chapter of unknown Founding and lineage, comprised entirely of Primaris Space Marines. It was raised during the Ultima Founding of 999.M41.
Black Wings Unknown Unknown The Black Wings is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Blazoned Legion Unknown Unknown The Blazoned Legion is a Loyalist Space Marine Chapter of unknown origin and Founding.
Blades of Vengeance Dark Angels Ultima Founding The Blades of Vengeance is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the mysterious Dark Angels and raised during the Ultima Founding of 999.M41. These gene-crafted warriors are the key components of the resurrected Primarch's Indomitus Crusade to reclaim the galaxy for Mankind.
Blood Angels N/A First Founding The Blood Angels is one of the 20 First Founding Legions of the Space Marines. The Blood Angels are well known for their bloodthirsty nature in battle, and feared for the curse of flawed gene-seed they carry.
Blood Dragons Blood Angels Unknown The Blood Dragons' name is one feared rather than celebrated by many Imperial worlds. The Blood Dragons care little for the citizens of the Imperium, as they desire nothing less than the total extermination of the Emperor's foes, no matter the cost.
Blood Drinkers Blood Angels Second Founding The Blood Drinkers is a Loyalist Space Marines Chapter and a Second Founding Successor Chapter of the Blood Angels. The name "Blood Drinkers" comes from the Chapter's craving for blood, the result of a mutated Omophagea organ.
Blood Knights Unknown Unknown The Blood Knights is a Loyalist Space Marine Chapter of unknown origin and Founding.
Blood Eagles Blood Angels Unknown The Blood Eagles were a Successor Chapter of the Blood Angels. The Chapter was destroyed in an unknown event.
Blood Legion Blood Angels Unknown The Blood Legion is a Loyalist Space Marine Successor Chapter of the Blood Angels that was created during an unknown Founding.
Blood Ravens Unknown Unknown The Blood Ravens is a Loyalist Space Marine Chapter of unknown origin and Founding. The origins of the Blood Ravens are shrouded in mystery. This elusive Chapter has always been drawn to the pursuit of knowledge and produces an unusually high number of Librarians among its ranks.
Blood Scythes Blood Angels Ultima Founding The Blood Scythes is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines raised from the lineage of the Blood Angels during the Ultima Founding in ca. 999.M41.
Blood Swords Blood Angels Unknown The Blood Swords is a Codex Astartes-compliant Loyalist Space Marine Chapter that was created using the gene-seed of the Blood Angels. The Chapter is unique among the Space Marines in that for a time its Chapter Master, Daggan, was actually a Venerable Dreadnought. Currently, the Blood Swords have joined with the Star Dragons Chapter to travel the wastes of space near the Eye of Terror in a joint containment fleet designated Containment Fleet Kappa.
Blood Tigers Unknown Unknown The Blood Tigers is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Blood Wings Blood Angels Unknown The Blood Wings is a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding.
Bone Knives Unknown Unknown The Bone Knives is a Loyalist Space Marine Chapter of unknown Founding and origin.
Brazen Consuls Ultramarines Unknown The Brazen Consuls is a Loyalist Space Marine Chapter and successor of the Ultramarines of unknown Founding. Hailing from the rich world of Aventinium, the Brazen Consuls recruit solely from the world's nobility. Such is these people's wealth that they commit their scions to training for the Chapter from birth.
Brazen Claws Iron Hands Second Founding The Brazen Claws is a Loyalist Second Founding Successor Chapter of the Iron Hands Legion. The Chapter recently emerged from a twenty-year-long ill-conceived Crusade of Venegeance into the Eye of Terror against the Traitor Legions and other forces of Chaos. Some portions of the Chapter were corrupted during that struggle, though the majority of its battle-brothers remain free of Chaos taint.
Brazen Fists Unknown Unknown The Brazen Fists is a Loyalist Space Marine Chapter of unknown Founding and origin. It participated in the First and the Second Punisher Wars against the vile Punishers Chaos Space Marine warband.
Brazen Minotaurs Unknown Unknown The Brazen Minotaurs is a Loyalist, Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin. The Chapter has worked closely with the Raven Guard Chapter on several occasions, and a close relationship has developed between the two as a result.
Brazen Skulls Unknown Unknown The Brazen Skulls was a Loyalist Space Marine Chapter of unknown Founding and origin. Its only notable engagement was when it took part in the Sabbat Worlds Crusade fighting in support of the reincarnated Saint Sabbat. The Brazen Skulls was eventually wiped out as a Chapter by 773.M41 until it was reestablished in the Ultima Founding.
Bringers of Judgement Dark Angels Unknown The Bringers of Judgement are a Loyalist Space Marine Chapter and a successor of the Dark Angels, created during an unknown Founding.
Brothers of Jarad Blood Angels Unknown The Brothers of Jarad was a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding and wholly destroyed during the Devastation of Baal in ca. 999.M41.
Brotherhood of a Thousand Unknown Unknown The Brotherhood of a Thousand is a Loyalist Codex Astartes-compliant Chapter of unknown origin and Founding.
Brothers of the Red Blood Angels Unknown The Brothers of the Red was a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding.
Brothers Penitent Unknown Unknown The Brothers Penitent is one of the Loyalist Space Marine Chapters founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos.
Burning Blood Blood Angels Unknown The Burning Blood was a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding and wholly destroyed during the Devastation of Baal in ca. 999.M41.

C

Name Origin Founding Notes
Carcharodons Raven Guard (Unconfirmed) Unknown The Carcharodons is a Loyalist Space Marines Chapter of brutal reputation and unknown Founding. It is a suspected Successor Chapter of the Raven Guard. The Carcharodons participated in the latter stages of the Badab War and are known to be an ancient fleet-based Chapter.
Carmine Blades Blood Angels Unknown The Carmine Blades is a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding. Hailing from the Feral World of Haldroth, this Chapter was originally named the Swords of Haldroth.
Castellans of the Rift Ultramarines Ultima Founding The Castellans of the Rift is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines created from the lineage of the Ultramarines and raised during the Ultima Founding of 999.M41. It is charged with standing sentinel over the Nachmund Gauntlet, one of the only stable routes through the Cicatrix Maledictum.
Celebrants Unknown Unknown The Celebrants Chapter was founded during the 36th Millennium. It is unknown what Chapter provided its gene-seed. Its only mention in Imperial history is that it was ordered to withdraw from the world of Phaethon IV and instead to take up garrison duty on the Ecclesiarchy's Cardinal World of Nedicta Secundus to protect the holy relics of the Adeptus Ministorum found there from the ravages of the Tyranid Hive Fleet Kraken.
Celestial Guard Unknown Unknown The Celestial Guard is a Loyalist Space Marine Chapter created during the 25th Founding from uncertain lineage. Its Chapter homeworld is called Erenon and is a storm-shrouded Ocean World located to the galactic northwest of Nocturne.
Celestial Lions Imperial Fists Unknown The Celestial Lions is a Loyalist Space Marine Chapter raised in the 38th Millennium during an unknown Founding as a Successor Chapter of the Imperial Fists. Following a campaign upon the world of Khattar in 988.M41, the Celestial Lions became highly vocal against the Inquisition's actions, which proved to be the Chapter's undoing. During the Third War for Armageddon they were nearly wiped out. They are now in the process of rebuilding their depleted ranks.
Celestial Swords Unknown Unknown The Celestial Swords was two now-extinct Loyalist Space Marine Chapters created at some time in the third century of M38, during an unknown Founding and from uncertain lineage. The Celestial Swords hold the unique distinction of actually having been two separate Chapters founded with identical names and heraldries due to a mistake made by the Imperial bureaucracy. Both Chapters were destroyed during the 9th Black Crusade.
Celestian Guard Unknown Unknown The Celestian Guard is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Cerulean Guard Unknown Unknown The Cerulean Guard is a Loyalist Chapter of Space Marines of unknown Founding and origin which fought to defend the Fortress World of Cadia during the climax of the 13th Black Crusade in 999.M41.
Champions of Thanatos Unknown Unknown The Champions of Thanatos is a Loyalist Space Marine Chapter of unknown origin and Founding.
Charnel Guard Blood Angels Unknown The Charnel Guard is a Loyalist Space Marine Chapter of unknown Founding and origin. This reclusive, fleet-based Chapter, whose chronicle threads through many dark passages of the Imperium's history, is believed by some sources to be an unacknowledged offshoot of the Blood Angels. This Chapter is known to seal its battle-brothers away in vast stasis crypts when not on campaign, and the Chapter's armoury holds countless examples of weapons rarely seen in late M41.
Chorus of Eltain Unknown Unknown This Chapter undertook the disastrous Abyssal Crusade in 321.M37 into the Eye of Terror. It is unknown what it endured during its sojourn into the Eye, and it was declared Martyr Extermis in absentia.
Clerics of Steel Unknown Unknown This Chapter undertook the disastrous Abyssal Crusade in 321.M37 into the Eye of Terror, where it was corrupted by Chaos, and became the warband of Chaos Space Marines known as the Invocators. Declared Excommunicate Traitoris.
Condemnors Unknown Unknown The Condemnors is a Loyalist Space Marine Chapter of unknown Founding and origin. During the Indomitus Crusade, the Torchbearer Fleet Conqueror's Forge delivered the technology to create Primaris Space Marines to the Chapter.
Consecrators Dark Angels Unknown The Consecrators is a Successor Chapter of Loyalist Space Marines created from the gene-seed of the Dark Angels during an unknown Founding. The Consecrators are noted for bearing all manner of holy relics and ancient patterns of arms, armour and vehicles.
Contenders Unknown Unknown The Contenders is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Covenant of Fire Salamanders Ultima Founding The Covenant of Fire is a Loyalist Space Marine Chapter and a successor of the Salamanders. It is a Chapter composed wholly of Primaris Space Marines and was raised during the Ultima Founding of ca. 999.M41 by Archmagos Dominus Belisarius Cawl.
Cowled Wardens Dark Angels Unknown The Cowled Wardens are a Loyalist Space Marine Chapter and a successor of the Dark Angels, created during an unknown Founding.
Crimson Castellans Unknown Unknown The Crimson Castellans was a Loyalist Space Marine Chapter of unknown origins and Founding which became embroiled in a civil war after a portion of its brotherhood turned to Chaos.
Crimson Consuls Ultramarines Unknown The Crimson Consuls is a Loyalist Space Marine Chapter of unknown Founding which is a Successor Chapter of the Ultramarines. It was destroyed entirely by the machinations of the Alpha Legion Chaos Space Marines, possibly on the orders of Alpharius (or Omegon masquerading as Alpharius) himself.
Crimson Fists Imperial Fists Second Founding The Crimson Fists is one of the Successor Chapters created during the Second Founding, drawn from the Imperial Fists Legion. Though they remain understrength from the Ork invasion of Rynn's World, the Crimson Fists are a proud and stubborn Chapter, never admitting defeat.
Crimson Guard Unknown Unknown The Crimson Guard is a Codex Astartes-compliant Space Marine Chapter created from uncertain lineage.
Crimson Knights Blood Angels Unknown The Crimson Knights is a Loyalist Space Marine Chapter and a successor of the Blood Angels. They were created during an unknown Founding in the 35th Millennium as a standing force intended to bolster the defences of a region of Imperial space against the predations of the Craftworld Aeldari; specifically, this led the Chapter to fight a series of battles against Craftworld Kaelor.
Crimson Legion Blood Angels Unknown The Crimson Legion is a now-extinct Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding. Almost nothing is known about this Chapter in Imperial records. Created as it was from the Blood Angels' gene-seed, it too carried the genetic Flaws inherited from Sanguinius. Those affected by the Black Rage were often used as blunt instruments, gathered into Death Companies, and hurled into the thickest of the fighting.
Crimson Paladins Unknown Unknown The Crimson Paladins is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Crimson Raptors Unknown Unknown The Crimson Raptors are a Loyalist Space Marine Chapter of an unknown Founding and genetic origin. Their homeworld is named Bloodpeak. The Crimson Raptors have been active in many of the conflicts of the Era Indomitus.
Crimson Sabres Unknown 13th "Dark" Founding The Crimson Sabres was once a Loyalist Space Marine Chapter created during the mysterious 13th Founding, the so-called "Dark Founding", which occurred sometime between M35 and M36. Problems culminated with the genocidal war on the jungle world of Umidia. The Chapter soon found ítself cursed by the Chaos God Khorne, forever haunted by the fell voices of the slain even after the combat had ended. Fleeing to the Eye of Terror to seek an honourable death, it became fully corrupted by the Dark Gods. When it returned to realspace, it had become the Chaos warband known as the Crimson Slaughter.
Crimson Scions Unknown Unknown The Crimson Scions is a Loyalist Space Marine Chapter of unknown origin and Founding.
Crimson Scythes Unknown Unknown The Crimson Scythes is one of the Loyalist Space Marine Chapters founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis -- that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos. The Crimson Scythes are of an unknown Founding and origin.
Crimson Shades Unknown Unknown The Crimson Shades is a Loyalist Space Marine Chapter of unknown origin and Founding. The Librarians of the Crimson Shades, like their counterparts of the Space Wolves and the White Scars Chapters, are one of the noteworthy examples that take exception to the doctrines of the Codex Astartes. Exactly what this difference is has not yet been recorded.
Crimson Swords Blood Angels Unknown The Crimson Swords is a little-known Successor Chapter of the venerable and heroic Blood Angels Chapter, which was created during an Unknown Founding. Like their fellow Scions of Sanguinius, the Knights of Blood, the Crimson Swords have also gone down in infamy for the terrible destruction they wrought against both friends and foes alike. It is generally believed that they were completely wiped out amid unwinnable conflicts of their own creation.
Crimson Talons Unknown Unknown The Crimson Talons is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Crimson Templars Unknown Unknown The Crimson Templars is a Loyalist Space Marine Chapter of unknown Founding and origin. It guards the Eastern Fringe of the galaxy.
Cruor Blades Blood Angels Unknown Having failed to reach Baal in time to aid their progenitors against the Tyranids during the Devastation of Baal, the Cruor Bades now patrol the Imperium Nihilus.
Crusaders Unknown Unknown The Crusaders is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Crusaders of Dorn Imperial Fists (Suspected) Unknown This Chapter undertook the disastrous Abyssal Crusade in 321.M37 into the Eye of Terror. It was corrupted by Chaos, and became the warband of Chaos Space Marines known as the Brotherhood of Lethe. Declared Excommunicate Traitoris.

D

Name Origin Founding Notes
Dark Angels N/A First Founding The Dark Angels is considered amongst the most powerful and secretive of the Loyalist Space Marine Chapters. It was the I Legion of the original 20 Space Marine Legions to be created during the First Founding of the 30th Millennium. The Dark Angels strive above all to atone for an ancient crime of betrayal committed over 10,000 standard years ago.
Dark Brotherhood Unknown Unknown The Dark Brotherhood is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Dark Crusaders Unknown Unknown The Dark Crusaders is a Loyalist Space Marine Chapter of unknown origin and Founding.
Dark Eagles Raven Guard (suspected) Unknown The Dark Eagles is a Loyalist, Codex Astartes-compliant Space Marine Chapter. It is suspected that it is one of the rare Successor Chapters of the Raven Guard. Its exact Founding date is unknown.
Dark Hands Unknown Unknown The Dark Hands is a Codex Astartes-compliant Chapter of unknown origin.
Dark Hunters White Scars Unknown The Dark Hunters is a Loyalist Codex Astartes-compliant Space Marine Chapter descended from the gene-seed of the White Scars during an unknown Founding. The Chapter has a reputation for being particularly hardy and resolute warriors.
Dark Krakens Salamanders Ultima Founding The Dark Krakens is a Loyalist Space Marine Chapter and a successor of the Salamanders. It is a Chapter composed wholly of Primaris Space Marines and was raised during the Ultima Founding of ca. 999.M41 by Archmagos Dominus Belisarius Cawl.
Dark Paladins Unknown Third Founding The Dark Paladins was a Loyalist Space Marine Chapter of the 3rd Founding and unknown origin that was destroyed in combat with unknown xenos on the world of Jarrman Primus.
Dark Sons Ultramarines Unknown The Dark Sons is a Loyalist Space Marine Chapter of unknown Founding created from the lineage of the vaunted Ultramarines Chapter. The Dark Sons' homeworld is the planet Darkhold in the Segmentum Obscurus.
Dark Swords Unknown Unknown The Dark Swords is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Dark Templars Unknown Unknown The Dark Templars is a Loyalist Space Marine Chapter of unknown Founding and origin.
Darkspires Unknown Unknown The Darkspires are a Loyalist Space Marine Chapter of unknown Founding and genetic origin. They served in the Indomitus Crusade and fought against the Necrons in the Pariah Nexus.
Death Eagles Raven Guard (Suspected) / Emperor's Children (Unconfirmed) Unknown The Death Eagles is a Loyalist, Codex Astartes-compliant Space Marine Chapter. It is suspected that it is one of the rare Successor Chapters of the Raven Guard, although some believe its roots actually lead to the Emperor's Children Traitor Legion.
Death Hawks Unknown Unknown The Death Hawks is a Loyalist Space Marine Chapter of unknown Founding and origin. One of its detachments participated with the Space Wolves in the failed defence of the world of Parenxes from the Red Corsairs.
Death Hunters Unknown Unknown The Death Hunters is a Loyalist Space Marine Chapter of unknown Founding and origin.
Death Knights Unknown Unknown The Death Knights is a Loyalist, Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Death Spectres Raven Guard 13th Founding The Death Spectres is a Loyalist Chapter of Space Marines of the 13th ("Dark") Founding. Stationed beyond the frontiers of the Imperium, the Death Spectres maintain a constant vigil to ensure that the supernatural inhabitants of the Ghoul Stars never again threaten the galaxy.
Death Strike Imperial Fists Unknown The Death Strike is a Loyalist Space Marine Chapter of unknown origin and Founding whose fortress-monastery is located on its homeworld of Nihilas. This Chapter participated in multiple campaigns, including the Assault on Moros, the Verdan II Extraction, the Ulik Sector campaign and the 13th Black Crusade.
Death Wardens Blood Angels Third Founding The Death Wardens is a little-known Loyalist Successor Chapter of the Blood Angels Chapter, created during the Third Founding in 001.M32. This Chapter stands as stalwart guardians over an unnamed Shrine World located in the Eastern Fringe, having stood sentinel since before the rise of the Ecclesiarchy.
Deathwatch N/A N/A The Deathwatch is not an actual Space Marine Chapter. Instead, it is comprised of Kill-teams formed from the Veteran Space Marines of other Chapters that serve as the Chamber Militant of the alien-hunting Ordo Xenos of the Imperial Inquisition.
Desert Lions Unknown Unknown The Desert Lions is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin. During the dark years of the Great Scouring, the Desert Lions took part in Operation Carthage to take back the world of Isstvan V.
Destroyers White Scars Second Founding The Destroyers is a Loyalist Second Founding and rare Successor Chapter of the White Scars. Though the Destroyers have won great victories in the Imperium's name, the stability of their gene-seed has come into question and there are concerns surrounding their savage conduct in battle.
Dictators Unknown Unknown The Dictators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Disciples of Blood Blood Angels Unknown The Disciples of Blood is a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding.
Disciples of Caliban Dark Angels Unknown The Disciples of Caliban is a Successor Chapter of the Dark Angels Chapter. The creation of the Disciples of Caliban was unusual, in that then-Chapter Master Anaziel of the Dark Angels specifically requested the creation of a new Space Marine Chapter from Dark Angels gene-seed of the High Lords of Terra sometime during the 37th Millennium.
Doom Eagles Ultramarines Second Founding The Doom Eagles is a Loyalist Space Marines Chapter and a Second Founding Successor Chapter of the Ultramarines. The homeworld of the Doom Eagles is Gathis II. The Doom Eagles is a notoriously pious, grim and aloof Chapter of Astartes. They emphasise the use of stealth tactics and speed in combat.
Doom Griffons Unknown Unknown The Doom Griffons is a Loyalist Space Marine Chapter of unknown Founding and origin. It has participated in the pacification of the Fenris System that was caught in a daemonic incursion.
Doom Legion Ultramarines Unknown The Doom Legion is a Loyalist Space Marine Chapter and a Successor Chapter of the Ultramarines, created during an unknown Founding. The Doom Legion is responsible for the maintenance and garrison of the Faithful's Deliverance, the star fortress that overlooks the notorious Elusian Maze asteroid fields.
Doom Warriors Unknown Unknown The Doom Warriors is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin. The Doom Warriors have a defect in the Catalepsean Node as a result of a mutation in their gene-seed. Because of this deficiency, Doom Warriors are incapable of true sleep, which in turn makes them a morose, moody Chapter.
Doomsayers Unknown Unknown The Doomsayers is a Loyalist Space Marine Chapter of unknown Founding and origin. It participated in the First and the Second Punisher Wars against the vile Punishers Chaos Space Marine warband.
Dragonspears Salamanders Ultima Founding The Dragonspears is a Loyalist Space Marine Chapter and a successor of the Salamanders. It is a Chapter composed wholly of Primaris Space Marines and was raised during the Ultima Founding of ca. 999.M41 by Archmagos Dominus Belisarius Cawl.
Dragon Lords Unknown Unknown The Dragon Lords is a Loyalist Space Marine Chapter of unknown Founding and origin. In 998.M41 all contact was lost with the Dragon Lords' Chapter planet, Erwynn's World. This bodes ill for the Dragon Lords until their ultimate fate can be determined.

E

Name Origin Founding Notes
Eagle Warriors Ultramarines Second Founding The Eagle Warriors is a fleet-based Progenitor (Second Founding) Successor Chapter of the Ultramarines Legion. Since the Eagle Warriors is a fleet-based Chapter with no permanent homeworld on which to build its fortress-monastery, it is continually on campaign to defend those star systems originally conquered by Roboute Guilliman during the Great Crusade.
Ebon Knights Unknown Unknown The Ebon Knights was a Loyalist Space Marine Chapter of unknown origin and Founding. It participated in the notable campaign upon the industrial world of Iriad IV, where it fought a brutal action against a warband of the World Eaters Traitor Legion. The battle against these Khornate Berserkers resulted in the mutual destruction of both forces and the corruption of the Ebon Knights' sole survivor by the Blood God Khorne.
Emperor's Claws Unknown Unknown The Emperor's Claws is a Loyalist Space Marine Chapter of unknown Founding and origin. It possesses Primaris Space Marines within its ranks.
Emperor's Hands Unknown Unknown The Emperor's Hands is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Emperor's Hawks Unknown Unknown The Emperor's Hawks is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Emperor's Scythes Unknown Unknown The Emperor's Scythes is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Emperor's Shadows Unknown Unknown The Emperor's Shadows is a Loyalist Space Marine Chapterof unknown Founding and origin.
Emperor's Shields Unknown Unknown The Emperor's Shields is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Emperor's Spears Ultramarines 25th Founding The Emperor's Spears is a Loyalist Successor Chapter of the Ultramarines. The Chapter was created during the 25th Founding, the so-called "Bastion Founding." The Emperor's Spears was one of three Chapters that once made up the Adeptus Vaelarii, better known as the Sentinels of the Veil who once stood watch over the Imperial worlds located in the region called Elara's Veil.
Emperor's Storm Unknown Unknown The Emperor's Storm is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Emperor's Swords Unknown Unknown The Emperor's Swords is a Loyalist Space Marine Chapter of unknown origin and Founding and the first of two separate Chapters to bear the name. The Chapter was decimated by the forces of the Alpha Legion after 300 standard years of infiltration and subversion on its homeworld of Ghorstangrad.
Emperor's Swords (Bellicas) Unknown Unknown The Emperor's Swords is a Loyalist Space Marine Chapter of unknown origin and Founding and the second Chapter to bear the name. The Emperor's Swords were wiped out in 970.M41, when a massive force of Necrons that had just awakened deep beneath their Chapter homeworld of Bellicas assaulted their fortress-monastery and slaughtered every last Emperor's Swords Space Marine over the course of a three-week-long siege.
Emperor's Warbringers Imperial Fists Unknown The Emperor's Warbringers is a Codex Astartes-compliant Space Marine Chapter of an unknown Founding which is a Successor Chapter of the Imperial Fists. This Chapter is known for sometimes making use of camouflage on its vehicles and its personal armour and possesses a reputation as especially brutal combatants against the foes of the Emperor.
Emperor's Wolves Unknown Unknown The Emperor's Wolves is a Loyalist Space Marine Chapter of unknown origin and Founding whose gene-seed contains altered and integrated wolf genes similar to those found in the gene-seed of the Space Wolves, though any further connection between the Chapters remains unknown. The Emperor's Wolves lost their 8th Company in the Warp who reemerged decades later as the warband of Chaos Space Marines known as the Blood Disciples.
Emperor's Wrath Unknown Unknown The Emperor's Wrath Space Marines Chapter is based in the Segmentum Solar. It is a Loyalist Chapter of unknown origin and Founding. The Chapter has a deep hatred for xenos like the Tyranids and the Orks. The Emperor's Wrath has purged many Ork-held star systems by Exterminatus.
Espandors Unknown Unknown The Espandors is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Excoriators Imperial Fists Second Founding The Excoriators is a Codex Astartes-compliant Chapter of Space Marines which is a Second Founding Successor Chapter of the Imperial Fists. An ancient tome of knowledge known as the Mythos Angelica Mortis lists it as one of the twenty Chapters of Astartes founded to make up the Astartes Praeses, an ever-vigilant Space Marine task force assigned to guard the regions of the Imperium surrounding the Eye of Terror. The Excoriators' Chapter homeworld is Eschara in the Segmentum Obscurus.
Excubants Unknown Unknown The Excubants is a Loyalist Space Marine Chapter of unknown origin and Founding.
Execrators Unknown Unknown The Execrators is a Loyalist Space Marine Chapter of unknown origin and Founding.
Executioners Imperial Fists Third Founding The Executioners is a savage Third Founding Successor Chapter of the Imperial Fists created according to Imperial records in the first year of the 32nd Millennium. The Executioners was one of four formerly Loyalist Space Marine Chapters that rebelled against the Imperium of Man's authority during the Badab War. The Chapter was believed to have found itself on the wrong side of that conflict through little fault of its own, and was eventually permitted to continue in its service to the Imperium after a 100 year penance crusade.
Exemplars Unknown Unknown The Exemplars is a Loyalist Space Marine Chapter of unknown origin and Founding.
Exorcists Imperial Fists 13th Founding The Exorcists were founded as part of a highly-classified Imperial experiment to create Space Marines who were unusually resistant to daemonic possession and Chaos corruption, This was because as part of their initiation into the Chapter they had actually been forced to serve as daemonhosts for a short time before having the creature expelled back to the Warp by the intervention of an Inquisitor.
Exsanguinators Blood Angels Unknown The Exsanguinators is a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding.

F

Name Origin Founding Notes
Falling Star Unknown Unknown The Falling Star is a Loyalist Space Marine Chapter of unknown Founding and origin.
Farstalkers Unknown Unknown The Farstalkers is a Loyalist Space Marine Chapter of unknown origin and Founding.
Fire Angels Ultramarines 25th Founding The Fire Angels is a Loyalist Space Marine Chapter created during the 25th Founding of the 40th Millennium from the gene-seed of the Ultramarines. The Fire Angels are best remembered in Imperial records for the role they played in the recent Badab War, a rebellion by several Space Marine Chapters against the Imperium of Man.
Fire Claws Ultramarines and Dark Angels (suspected) Unknown The Fire Claws was a Loyalist Space Marine Chapter raised in the 36th Millennium, though of an unknown origin and Founding. They were founded as one of the 20 Chapters of the Astartes Praeses, created by the Imperium of Man specifically to guard against the threat of the Traitor Legions attacking from the Eye of Terror.
Fire Hawks Ultramarines (Unconfirmed) 21st Founding The Fire Hawks is one of the Loyalist Space Marine Chapters created in the 36th Millennium during the 21st Founding or "Cursed Founding". The Fire Hawks' mobile fortress-monastery and their entire Chapter fleet was lost in the Warp in 963.M41. It is now believed that the survivors of this disaster became the cursed Astartes known collectively as the Legion of the Damned.
Fire Lords Unknown (Imperial Fists suspected) Unknown The Fire Lords is a Codex Astartes-compliant Loyalist Space Marines Chapter. Its Founding date has not been officially established. There is no definite information on what Chapter's gene-seed was used in the Fire Lords' creation. There are several theories on the subject, though it is generally believed by most savants of the Administratum that the Imperial Fists are the true source of the Fire Lords' gene-seed.
Firebreathers Unknown Unknown The Firebreathers is a Loyalist Space Marine Chapter of unknown Founding and origin.
Fists Exemplar Imperial Fists Second Founding The Fists Exemplar is a Second Founding Successor Chapter of Imperial Fists lineage. This Chapter was initially composed of the more progressive Imperial Fists Legionaries, who agreed with the views of Roboute Guilliman, the Primarch of the Ultramarines, that it was necessary for the Legiones Astartes to be broken down into smaller existing formations, known as Chapters, following the disastrous and costly Horus Heresy.
Flame Eagles Raven Guard (Unconfirmed) Unknown The Flame Eagles is a Loyalist, Codex Astartes-compliant Space Marine Chapter. It is suspected that it is one of the rare Successor Chapters of the Raven Guard.
Flame Falcons Unknown 21st Founding The Flame Falcons was one of the cursed Space Marine Chapters created during the 21st Founding or so-called "Cursed Founding". Although the earlier successes promised a great future for the Chapter, it was almost completely wiped out by the Inquisition before a hundred years had passed following its Founding.
Flesh Eaters Blood Angels Unknown The Flesh Eaters is a Loyalist Space Marine Successor Chapter of the Blood Angels, raised during an unknown Founding. A savage and bellicose Chapter, despite their sobriquet of "Flesh Eaters" there is no evidence that the Chapter's Astartes actually practice cannibalism.
Flesh Tearers Blood Angels Second Founding The Flesh Tearers is the smallest Second Founding Successor Chapter of the Blood Angels, numbering only four full companies of Astartes. They are Loyalists of the Emperor of Mankind though their heavy affliction with the flaws of their Primarch Sanguinius has led to their investigation on charges of heresy by the Inquisition. They have been cleared of suspicion at present. Like their progenitors, the Flesh Tearers are known for their bloodthirsty nature in battle, bad temper and feared for the flaws like the Black Rage and the Red Thirst that they carry within their gene-seed.
Fulminators Ultramarines Ultima Founding The Fulminators is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the vaunted Ultramarines and raised during the Ultima Founding of 999.M41. These gene-crafted warriors are the key components of the resurrected Primarch's Indomitus Crusade to reclaim the galaxy for Mankind.

G

Name Origin Founding Notes
Genesis Chapter Ultramarines Second Founding The Genesis Chapter is a Second Founding Successor or Primogenitor Space Marines Chapter of the legendary Ultramarines. The Chapter's homeworld is the planet Newfound which is located a comparatively short distance to the galactic northwest of the Ultramarines' Realm of Ultramar. First amongst the Ultramarines' Primogenitor Chapters to be raised (and hence their name), the Genesis Chapter is dogmatically loyal to the Imperium of Man and the memory of its Primarch Roboute Guilliman.
Golden Blades Unknown Unknown The Golden Blades was a Loyalist Space Marine Chapter of unknown Founding and origin. Sometime in the 37th Millennium, a garrison of Golden Blades Space Marines met a most foul fate while defending the world of Ghahalla during a daemonic incursion. Overcome by a strange madness, they slowly succumbed to their madness and were reborn as the first seeds that would become the Khorne Daemonkin warband known as the Brazen Beasts.
Golden Gryphons Unknown Unknown The Golden Gryphons is a Loyalist Codex Astartes-compliant Chapter of Space Marines of unknown Founding and origin.
Golden Halos Unknown Unknown The Golden Halos is a Loyalist Space Marine Chapter of unknown Founding and origin.
Golden Paladins Unknown Unknown The Golden Paladins is a Loyalist Space Marine Chapter of unknown Founding and origin. The Chapter's homeworld of Lynoxis fell to the 7th Plague Company of the Death Guard Traitor Legion, led by the Daemon Primarch Mortarion himself, after the birth of the Great Rift.
Golden Sons Blood Angels Unknown The Golden Sons is a now-extinct Successor Chapter of the Blood Angels, created during an unknown Founding. It was known for taking a much harsher stance for those battle-brothers afflicted by the Black Rage, as it hurled its Death Company into battle with no concern for their lives. The Golden Sons were fatally undone by the genetic curse of the Black Rage.
Gore Golems Unknown Unknown The Gore Golems are a Loyalist Space Marine Chapter of unknown genetic origin and Founding.
Gorgons Unknown Unknown The Gorgons is a Loyalist Chapter of Codex Astartes-compliant Space Marines of unknown Founding and origin.
Graven Fists Unknown Unknown This Chapter undertook the disastrous Abyssal Crusade in 321.M37 into the Eye of Terror, where it was corrupted by Chaos, and became the warband of Chaos Space Marines known as the Twisted Blades. Declared Excommunicate Traitoris.
Graven Spectres Unknown Unknown The Graven Spectres was a formerly Loyalist Space Marine Chapter of unknown Founding and origin. In 365.M41, the Renegade Chapter assaulted the relic world of Syban, intent on plundering its great stasis museum. During its rampage it unwittingly released the Daemon Prince Knor from his millennia-long slumber.
Grey Giants Unknown Unknown The Grey Giants is a Loyalist Space Marine Chapter of unknown origin and Founding.
Grey Knights Emperor of Mankind Unknown The Grey Knights is a secret, mysterious Loyalist Chapter of Space Marines specifically tasked with combating the dangerous daemonic entities of the Warp and all those who wield the corrupt power of the Chaos Gods. It has the honour of being implanted with gene-seed engineered directly from the genome of the Emperor Himself. The Grey Knights act as the military arm or Chamber Militant of the Ordo Malleus, the Daemonhunters who form the oldest branch of the virtually omnipotent Inquisition. Unlike other Astartes, every Grey Knight is a potent psyker.
Grey Slayers Unknown Unknown The Grey Slayers is a Loyalist Space Marines Chapter of unknown origin and Founding that became corrupted by Chaos. Inquisitor Thrax purged the Chapter of mutants and daemons, and the Chapter Master took his own life in shame. Untainted officers were raised up to lead the Chapter. The purge was apparently not quite thorough enough, as Inquisitor Thrax himself was soon afterwards corrupted by the Ruinous Powers and transformed into some sort of daemonic Chaos beast. The Grey Slayers' eventual disposition and fate remains unknown in current Imperial records.
Grief Bringers Unknown Unknown The Grief Bringers is a Loyalist Space Marine Chapter of unknown origin and Founding that suffered heavy losses fighting against the Warp entities called Enslavers on the world of Valhall II. Its armour is described as "principally a sickly pea-green, with engrailed chevrons of headachey purple."
Griffon Lords Unknown Unknown The Griffon Lords is a Loyalist Space Marine Chapter of unknown Founding and uncertain origin. This Chapter is a rare example where its Astartes' beliefs are in conflict with official Administratum records, as they claim to be descended from the Ultramarines' Primarch Roboute Guilliman, even though official data-files show that their ancestry is that of Jaghatai Khan's White Scars.
Guardians of Celeres Unknown Unknown The Guardians of Celeres is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin.
Guardians of the Covenant Dark Angels Unknown The Guardians of the Covenant is a Successor Chapter of the Dark Angels, of an unknown Founding. This Chapter is as dedicated to the scholarly arts as to the ways of war. Masters of both, the battle-brothers of this Chapter use their keen intellects as a weapon as sharp as their Chainswords. The Chapter's Astartes study the teachings of the Emperor and of their Primarch Lion El'Jonson in minute detail, attaining a unique perspective on the object of their diligent studies. Every shred of ancient wisdom is absorbed, debated and analysed, so that no ruse or stratagem is beyond the Guardians of the Covenant, and none may better them on the field of battle.

H

Name Origin Founding Notes
Halo Brethren Unknown Unknown The Halo Brethren is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin. It served in the campaign against the rebellious Grand Master of Assassins Drakan Vangorich of the Officio Assassinorum.
Halo Dragons Unknown Unknown The Halo Dragons is a Loyalist Space Marine Chapter of unknown origin and Founding which played an instrumental role in containing the Tau's Third Sphere Expansion during the Zeist Campaign of 999.M41.
Hammers of Dhrex Unknown Unknown The Hammers of Dhrex is a Loyalist Space Marine Chapter of unknown Founding and origin.
Hammers of Dorn Imperial Fists Unknown The Hammers of Dorn is a Codex Astartes-compliant Space Marine Chapter, raised from the gene-seed of Rogal Dorn as a Successor Chapter of the Imperial Fists during an unknown Founding. It is a stringent adherent of the Codex, fostering a great rivalry with the Ultramarines and their Successor Chapters whenever those battle-brothers do not match their own militant standards.
Hammers of Retribution Unknown Unknown The Hammers of Retribution is a Loyalist Space Marine Chapter of unknown Founding and origin.
Harbingers Unknown Unknown The Harbingers is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and orign.
Hawk Lords Ultramarines Unknown The Hawk Lords is a Codex Astartes-compliant Loyalist Chapter of Space Marines and a Successor Chapter of the vaunted Ultramarines raised during an unknown Founding. The Hawk Lords heavily favour the use of their various gunships, and so are unsurprisingly the undisputed masters of aerial combat amongst the Adeptus Astartes. So skilled are they in the use of such tactics that the Astartes pilots of other Loyalist Chapters have been known to spend time as pilots in one of the Hawk Lords' Talon Wings to gain the aeronautical skills displayed by the Hawk Lords.
Helion Legion Ultramarines Unknown The Helion Legion is a Loyalist Space Marine Chapter of Ultramarines lineage created during an unknown Founding. Raised as it was from the vaunted lineage of Roboute Guilliman, the Helion Legion was founded to provide guardians for the furthest-flung Imperial worlds at the very edge of the galaxy.
Heralds of Ultramar Ultramarines Unknown The Heralds of Ultramar is a Codex Astartes-compliant Chapter derived from the Ultramarines gene-seed. Its exact Founding date is unknown.
Heralds of Vengeance Unknown Unknown The Heralds of Vengeance is a Loyalist Space Marine Chapter of unknown Founding and origin.
Honoured Sons Unknown Unknown The Honoured Sons is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Hospitallers Imperial Fists 24th Founding The Hospitallers is a relatively young Successor Chapter of the Imperial Fists, raised during the 24th Founding a little over two Terran millennia ago. The Hospitallers is a fleet-based Chapter that famously rejected the teachings of the Codex Astartes by which most of its brethren among the Adeptus Astartes abide. The Hospitallers is also one of the few Chapters to recognise the Imperial Cult's teachings that the Emperor of Mankind is a god.
Hounds of Demos Unknown Unknown The Hounds of Demos is a Loyalist Space Marine Chapter of unknown Founding and origin.
Howling Griffons Ultramarines Unknown The Howling Griffons is a Loyalist Space Marine Chapter founded in M33 from the gene-seed of the Ultramarines. It fought in the Badab War and saw extensive action in the 13th Black Crusade, fighting against Chaos Plague Marines in the defence of the world of Amistel Majoris. The Howling Griffons take a special pride in their oaths, seeing each as the promise of an unending effort until the deed sworn in the oath is accomplished or the oathtaker has been slain in the trying.

I

Name Origin Founding Notes
Illustrians Unknown Unknown This Chapter undertook the disastrous Imperial Abyssal Crusade into the Eye of Terror in 321.M37, where it was corrupted by the Ruinous Powers and eventually became the Chaos Space Marine warband known as The Black Psalm.
Immortal Hearts Unknown Unknown The Immortal Hearts is a Loyalist Space Marine Chapter of unknown Founding and origin.
Imperial Castellans Unknown Unknown The Imperial Castellans is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Imperial Fists N/A First Founding The Imperial Fists is one of the First Founding Chapters of the Space Marines and was originally the VII Legion of the Legiones Astartes raised by the Emperor Himself from across Terra during the Unification Wars. The Imperial Fists stand out from other Space Marine Chapters since it possesses no fixed homeworld, although it is most frequently based on Terra. Instead, the Imperial Fists rely on their 10,000-year-old mobile space fortress, Phalanx, to serve as their mobile fortress-monastery.
Imperial Harbingers Unknown 23rd Founding The Imperial Harbingers is a Loyalist Space Marine Chapter of unknown origin, created during the 23rd Founding, the so-called "Sentinel" Founding, in M37. This Chapter hails from the world of Birmingham, "the Black Planet," so named because it receives very little visible light. The Imperial Harbingers are specialists at drop assaults.
Imperial Hawks Unknown Unknown The Imperial Hawks is a Loyalist Space Marine Chapter of unknown origin and Founding. It specialises in fast attacks from the air, utilising high-altitude Jump Pack-assisted assaults, followed by reinforcement sorties from squadron-strength units of Land Speeders, often dropped at altitude and at high-speed from Thunderhawk gunships.
Imperial Paladins Unknown Unknown The Imperial Paladins is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Imperial Ravagers Unknown Unknown The Imperial Ravagers is a little-known Loyalist Space Marine Chapter. Its fortress-monastery is a space station that orbits the world of Vindict V. Sometime during M41, it was summoned by the Inquisition to perform an Exterminatus upon the Genestealer-infested planet of Stalinvast.
Imperial Stars Unknown Unknown The Imperial Stars is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Imperial Talons Raven Guard (suspected) Unknown The Imperial Talons is a Loyalist, Codex Astartes-compliant Space Marine Chapter. It is suspected that it is one of the rare Successor Chapters of the Raven Guard.
Imperius Reavers Ultramarines 4th Founding The Imperius Reavers is a Fourth Founding Successor Space Marine Chapter of the legendary Ultramarines, created sometime during M32 or M33. The Chapter's homeworld is the Hive World of Praedis Zeta, located in the Vidar Sector, which is further located in the farthest edge of the Eastern Fringe. This volatile region is under constant siege by the twin threats of both xenos and the daemon.
Inceptors Ultramarines Second Founding The Inceptors is a Loyalist Codex Astartes-compliant Space Marine Chapter. It is a Second Founding Successor Chapter of the Ultramarines Legion. It participated in the Macharian Crusade, and was involved in a regrettable incident during the Macharian Heresy in the early years of M41.
Inculcators Unknown Unknown The Inculcators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Interceptors Unknown Unknown The Interceptors is a Loyalist Space Marine Chapter of unknown Founding and origin.
Invaders Imperial Fists Unknown The Invaders is a Loyalist Codex Astartes-compliant Space Marines Chapter of unknown Founding and a Successor Chapter of the Imperial Fists. Its Chapter homeworld of Ogrys was lost to an assault by the Asuryani of Craftworld Alaitoc approximately a standard century ago and the Invaders have been forced to become a fleet-based Chapter while they rebuild their strength from the heavy losses they suffered against the vengeful xenos.
Invictors Unknown Unknown The Invictors was a formerly Loyalist Space Marine Chapter of unknown Founding and origin. It was corrupted after entering the Eye of Terror in 321.M37 as part of the Imperial Abyssal Crusade. It is unknown what it endured during its sojourn into the Eye, but by the time it made its way back into realspace, it had become a Chaos Space Marine warband known as The Unhallowed.
Inviolators Unknown Unknown The Inviolators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Iron Champions Executioners Unknown The Iron Champions is a Space Marine Chapter that is a Successor Chapter of the brutal Executioners. For their role in combating the apostates and traitors of the Plague of Unbelief in M36, the Executioners were granted the rare honour of having a new Chapter, the Iron Champions, being created from their gene-seed in a later Founding.
Iron Crusaders Unknown Unknown The Iron Crusaders is a Loyalist Space Marine Chapter of unknown Founding and origin. The Iron Crusaders were last seen in 998.M41 heading towards the forbidden region of space known as the Ghoul Stars.
Iron Drakes Unknown Unknown The Iron Drakes was once a Loyalist Chapter of Space Marines which was corrupted after entering the Eye of Terror in 321.M37 as part of the disastrous Abyssal Crusade. At some point during their sojourn in the Eye, the Iron Drakes were corrupted by Nurgle on the Daemon World of Anathrax and became the Grey Death, ready and willing to spread their plague across the stars.
Iron Drakes (Salamanders) Salamanders Ultima Founding The Iron Drakes is a Loyalist Space Marine Chapter and a successor of the Salamanders composed entirely of Primaris Space Marines that was raised during the Ultima Founding of ca. 999.M41 by Archmagos Dominus Belisarius Cawl.
Iron Fists Imperial Fists 22nd Founding The Iron Fists is a Codex Astartes-compliant Loyalist Chapter which is a Successor Chapter of the Imperial Fists, formed in M37 during the 22nd Founding.
Iron Hands N/A First Founding The Iron Hands is a Loyalist Space Marine Chapter and one of the original First Founding Space Marine Legions created from the gene-seed of its martyred Primarch, Ferrus Manus. When the Horus Heresy erupted, the Iron Hands were nearly annihilated during the Dropsite Massacre of Istvaan V and their Primarch was slain by the traitorous Fulgrim, Primarch of the Emperor's Children. Since that time, the Iron Hands have grown to believe that human flesh is weak and easily corruptible, and strive to replace their organic bodies with more "pure" bionic substitutes, thus closely emulating the faith of the Adeptus Mechanicus' Cult of the Machine.
Iron Hawks Unknown Unknown The Iron Hawks is a Loyalist Space MarineChapter from an unknown Founding that is a Successor Chapter of the Ultramarines. The Iron Hawks are currently recovering from heavy losses after a particularly long and gruelling campaign.
Iron Hearts Unknown Unknown The Iron Hearts is an obscure Loyalist Space Marine Chapter of unknown Founding and origin. Its supposed Primarch is mentioned in Imperial records as "Primarch Rubineck". This is now believed to be a transcription error by an unwitting scribe of the Administratum who was actually referring to the Iron Hearts' Chapter Master.
Iron Hounds Ultramarines Unknown (4th Founding suspected) The Iron Hounds is a Loyalist Space Marine Chapter and successor of the Ultramarines of unknown Founding. Renowned for their relentlessness, the Iron Hounds are ruthless warriors who pursue their enemies until every last foe has been slain.
Iron Knights Imperial Fists Second Founding The Iron Knights is a Second Founding Successor Chapter of the Imperial Fists. The Iron Knights was one of the many Loyalist Space Marine Chapters who participated in the defence of Cadia from Abaddon the Despoiler's offensive during the 13th Black Crusade.
Iron Lords Iron Hands Unknown The Iron Lords is a rare Successor Chapter of the venerable Iron Hands Chapter, created in M38 during an unknown Founding. It has gone on to play major roles in combating aggressive xenos species including the Barghesi, the Tyranids and the T'au.
Iron Ravens Raven Guard Ultima Founding The Iron Ravens is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the Raven Guard and raised during the Ultima Founding of 999.M41. The Iron Ravens are specialists in sudden, shocking drop assaults.
Iron Scepters Unknown Unknown The Iron Scepters is a Loyalist Space Marine Chapter of unknown Founding and genetic origin.
Iron Shield Unknown Unknown The Iron Shield is a Loyalist Space Marine Chapter of unknown Founding and origin. Much of this obscure Chapter's history has been lost and is not recorded in current Imperial records.
Iron Snakes Ultramarines Second Founding The Iron Snakes is a Second Founding Loyalist Space Marine Chapter of the Ultramarines, though it is not a Codex Astartes-compliant Chapter. The Iron Snakes Chapter's primary task is to guard a cluster of Imperial solar systems known as the Reef Stars close to their homeworld of Ithaka, which are infrequently plagued by Orks, and more frequently by the Dark Eldar.
Iron Talons White Scars Unknown The Iron Talons is a Loyalist Space Marine Chapters that was created from White Scars gene-stock during an unknown Founding. It was founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos.

J

Name Origin Founding Notes
Jade Scorpions Unknown Unknown The Jade Scorpions is a Loyalist Space Marine Chapter of unknown Founding and White Scars origin.
Justicars Unknown Unknown The Justicars was a formerly Loyalist Space Marine Chapter of unknown origin and Founding. In 321.M37, it took part in the disastrous Abyssal Crusade and became corrupted after entering the Eye of Terror. It emerged centuries later back into realspace, having become the Chaos warband known as The Fractured.

K

Name Origin Founding Notes
Knights Cerulean Ultramarines Ultima Founding The Knights Cerulean is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the Ultramarines and raised during the Ultima Founding of 999.M41.
Knights Excelsior Unknown Unknown The Knights Excelsior was a formerly Loyalist Space Marine Chapter of unknown origin and Founding. In 321.M37, it took part in the disastrous Abyssal Crusade into the Eye of Terror. When the Knights Excelsior finally emerged back into Realspace, they had been refashioned into the Renegade warband known as the Magma Hounds.
Knights of Abhorrence Dark Angels Unknown The Knights of Abhorrence are a Loyalist Space Marine Chapter and a successor of the Dark Angels, created during an unknown Founding.
Knights of Byzantium Iron Hands Ultima Founding The Knights of Byzantium is a Loyalist Space Marine Chapter and a successor of the Iron Hands raised during the Ultima Founding. As such, it is composed entirely of Primaris Space Marines.
Knights of Dorn Imperial Fists (Suspected) Unknown The Knights of Dorn is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding. Though their origin and Founding is unknown, their Chapter name suggests they are successors of the Imperial Fists.
Knights of Eternity Unknown Unknown The Knights of Eternity was a Loyalist Space Marine Chapter of unknown Founding and origin. In 990.M41, Hive Fleet Kraken attacked across a large front of Imperial space. The Knights of Eternity was one of several Space Marine Chapters which dedicated their forces to saving the worlds that other Imperial armies had abandoned, selling their lives dearly in the defence of the Imperium. It is presumed to have been completely obliterated.
Knights of Gryphonne Unknown Unknown The Knights of Gryphonne is a Codex Astartes-compliant Chapter of unknown origin and Founding.
Knights of the Chalice Blood Angels Ultima Founding The Knights of the Chalice is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the noble Blood Angels and raised during the Ultima Founding of 999.M41. These gene-crafted warriors are the key components of the resurrected Primarch's Indomitus Crusade to reclaim the galaxy for Mankind.
Knights of the Crimson Order Dark Angels Unknown The Knights of the Crimson Order is a Successor Chapter of the Dark Angels Space Marine Chapter.
Knights of the Flame Unknown Unknown The Knights of the Flame is a Loyalist Space Marine Chapter of unknown Founding and origin.
Knights of the Raven Raven Guard Unknown The Knights of the Raven is a Loyalist Codex Astartes-compliant Space Marine Chapter of an unknown Founding that is a Successor Chapter of the Raven Guard. The Chapter's homeworld is the planet Coralax. In recent history, for unknown reasons, the Knights of the Raven "came to blows" with Astartes from the Aurora Chapter; the resulting conflict was apparently ended by Marneus Calgar of the Ultramarines.
Knights of Thunder Unknown Unknown The Knights of Thunder is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from an unknown lineage and raised during the Ultima Founding of ca. 999.M41.
Knights Sanguine Blood Angels Unknown The Knights Sanguine is a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding.
Knights Unyielding Unknown Unknown The Knights Unyielding is a Loyalist Space Marine Chapter of unknown origin and Founding. This Chapter was founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos.

L

Name Origin Founding Notes
Lamenters Blood Angels 21st Founding The Lamenters is an unfortunate Loyalist Space Marine Successor Chapter of the Blood Angels, created during the 21st Founding, known as the "Cursed Founding". It found itself on the wrong side during the Badab War and was thereafter devastated by the Tyranids.
Lances of Pteros Unknown Unknown The Lances of Pteros was a formerly Loyalist Space Marine Chapter, corrupted after entering the Eye of Terror in 321.M37 as part of the Imperial Abyssal Crusade. At some point during their sojourn in the Eye, the Lances of Pteros were corrupted by Nurgle, becoming the Lords of Decay, and latter absorbed into the Death Guard Traitor Legion. The Lords of Decay appear to function as an elite force within the legion, known to even have been led for a time by the Daemon Primarch Mortarion himself.
Lectors of Ixis Unknown Unknown The Lectors of Ixis was a formerly Loyalist Space Marine Chapter which was corrupted after entering the Eye of Terror in 321.M37 as part of the Imperial Abyssal Crusade. At some point during their sojourn in the Eye, the Lectors of Ixis were corrupted by Tzeentch, becoming the Oracles of Change. They are led by the Chaos Sorcerer Amadeus Volkstein, who was once a Loyalist Librarian Epistolary known as Vanneus before being corrupted by the promise of knowledge and power offered by the Lord of Change.
Legion of Night Unknown Unknown The Legion of Night is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding. This Chapter hails from the world of Outrenacht. The only thing known with any certainty about these Astartes is that the Legion of Night's combat doctrine revolves around the use of Tactical Squads that utilise the Chapter's large pool of armoured transports. These are used to perform surgical strikes or seize strategic points with the aid of fast-moving Razorbacks or Rhinos. Like its fellow Chapters the Angels of Fury and the Raven Guard, the Legion of Night has forged its combat doctrine around such highly mobile insurgent tactics.
Legion of the Damned Fire Hawks 21st Founding The Legion of the Damned is the most famous of the Chapters of the 21st Founding, known as the "Cursed Founding", and was once known as the Fire Hawks. The Fire Hawks was listed officially destroyed as a Chapter in Imperial records even though some of its members sometimes appear on Imperial battlefields as the Legion of the Dead when the situation for other Imperial forces is dire, and their intervention turns the tide of battle. Many claim to have seen these living spectres in battle, but no thanks can ever be given to them, for they leave as suddenly and as quickly as they appear.
Libators Ultramarines Second Founding The Libators is a Codex Astartes-compliant Space Marine Chapter which is a Second Founding Successor Chapter of the Ultramarines.
Liberators Unknown Unknown The Liberators is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Lion Warriors Unknown Unknown The Lion Warriors is a Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Lions Azure Unknown Unknown The Lions Azure is a Loyalist Space Marine Chapter of unknown Founding and origin.
Lions Defiant Unknown Unknown The Lions Defiant is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin. In 992.999.M41, a massive event known as the Night of a Thousand Rebellions occurred. Uprisings and discord struck countless planets across the Imperium. The homeworld of the Lions Defiant Space Marine Chapter was lost to the anarchy caused by the coordinated activity of secret Chaos Cults and frenetic agitators.
Lions Sable Dark Angels Second Founding The ill-fated Lions Sable Space Marine Chapter was the last of the Second Founding Successor Chapters of the Dark Angels. During the unspoken period of history known as the Forgotten Wars (580.M31-632.M32), the Lions Sable was completely annihilated during a disastrous campaign into the Eye of Terror whilst in pursuit of the notorious Fallen known as Cypher.
Lionguard Unknown Unknown The Lionguard was a formerly Loyalist Space Marine Chapter which was known to specialise in the use of sabotage and terror tactics against its foes. It was corrupted after entering the Eye of Terror in 321.M37 as part of the Imperial Abyssal Crusade. At some point during its sojourn in the Eye, the Lionguard was corrupted by Chaos, and when it returned to realspace centuries later, it had become the Chaos warband known as the Death Shadows.
Lords of Wrath Unknown Unknown The Lords of Wrath is a Loyalist Space Marine Chapter of unknown origin and Founding. It participated in the capture of Decius Mus, the Arch-Heretic of Auscum, with assistance from the 23rd Bruttiam Regiment of the Imperial Guard.

M

Name Origin Founding Notes
Malevolent Unknown Unknown The Malevolent is a Loyalist Space Marine Chapter of unknown Founding and origin.
Mantis Warriors Marauders 8th Founding The Mantis Warriors, originally known as the Mantis Legion, is a Loyalist Space Marine Chapter believed to have been founded as part of the 8th Founding in 598.M35, created to help relieve the White Scars in monitoring and countering the many threats harboured by the Maelstrom Warp Storm in the Ultima Segmentum. The Mantis Warriors was one of the three Astartes Chapters that joined the Astral Claws in rebelling during the Badab War.
Marauders White Scars Second Founding The Marauders is a Loyalist Second Founding Successor Chapter of the White Scars according to the Apocrypha of Davio, written in the 33rd Millennium. The Mantis Warriors Chapter, which grew infamous during the Badab War, was created from the gene-seed stock of the Marauders.
Marines August Unknown Unknown The Marines August is a Loyalist Space Marine Chapter of unknown Founding and origin.
Marines Errant Eagle Warriors 23rd Founding The Marines Errant is a Loyalist, fleet-based Space Marine Chapter of Ultramarines genetic lineage created late during the 23rd Founding in the 37th Millennium, to repair the gap left in Imperial military forces by the loss of other Chapters.
Marines Errantor Unknown Unknown The Marines Errantor is a Loyalist Space Marine Chapter of unknown Founding and origin.
Marines Exemplar Unknown Unknown The Marines Exemplar is one of the Loyalist Space Marine Chapters founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos. The Marines Exemplar are of an unknown Founding and origin.
Marines Malevolent Unknown Unknown The Marines Malevolent is a Loyalist Space Marine Chapter of unknown genetic origin founded in the 32nd Millennium. While loyal to the Emperor of Mankind and deeply dedicated to the eradication of all of the Imperium's enemies, it has at times shown a disturbing and callous disregard for the lives of the civilians of the Imperium as long as its mission objectives are obtained, which has brought it into conflict with the Salamanders Chapter as well as many other Imperial organisations, including the Inquisition.
Marines Mordant Ultramarines Unknown The Marines Mordant was a Loyalist Space Marine Chapter of unknown Founding and a Successor Chapter of the Ultramarines. Raised in the 35th Millennium, the Marines Mordant were entrusted with guarding the rimward frontiers of the Maelstrom Zone, a task they performed alongside the Crimson Consuls, the Vindicators, and the Nova Legion. In the late 41st Millennium, all four Chapters were destroyed through the machinations of the Alpha LegionChaos Lord Quetzel Carthach.
Marines Vigilant Unknown Unknown The Marines Vigilant were destroyed by the Crimson Fists after an unknown xenos or Warp encounter led them to refuse any futher combat duties.
Marines Vindicant Unknown Unknown The Marines Vindicant is a Loyalist Space Marine Chapter of unknown origin and Founding. It played a major role in the scouring of the world of Vorlinghast in 981.M41, which had been overrun by Plague Zombies and the Death Guard Traitor Legion.
Masters of Protelus Unknown Unknown The Masters of Protelus is a Loyalist Space Marine Chapter of unknown Founding and origin.
Mentors Unknown 26th Founding The Mentors, sometimes referred to in Imperial records as the "Mentor Legion," is a Loyalist Codex Astartes-compliant Space Marine Chapter. The Mentors were raised during the 26th Founding in 738.M41, making it one of the most recently founded Chapters in the Imperium of Man.
Metamarines Unknown Unknown The Metamarines is a Loyalist Space Marine Successor Chapter of an unknown origin and Founding. The most renowned action of the Metamarines was their participation in the 13th Black Crusade in 999.M41.
Minotaurs Unknown 21st Founding The Minotaurs is a savage Loyalist Space Marine Chapter of the 21st Founding whose origin remains unknown. The Minotaurs possess a reputation for being unusually xenophobic Astartes and unreliable combatants who do not work well with other Imperial military units.
Mortifactors Ultramarines Second Founding The Mortifactors is a Loyalist, Codex Astartes-compliant Second Founding Primogenitor Chapter founded during the 31st Millennium from Ultramarines gene-seed. The Mortifactors recruit from the austere Feral World of Posul, where the sun never rises on its frigid plains and its population of nomadic tribes are constantly in conflict with one another and practice cannibalism.

N

Name Origin Founding Notes
The Nameless Unknown Unknown The Nameless is a Loyalist Space Marine Chapter of unknown Founding and origin.
Necropolis Hawks Raven Guard Ultima Founding The Necropolis Hawks is a Loyalist Space MarineChapter comprised entirely of Primaris Space Marines, created from the rare lineage of the Raven Guard and raised during the Ultima Founding of 999.M41. Trained extensively in close-quarters warfare and veterans of a dozen close-fought cityfights, the Necropolis Hawks are stoic and efficient in their warfare. They bear their battlefield role insignia upon their backpacks so that their comrades can identify them even in the choking smoke and dust of urban war.
Nemesis Ultramarines Second Founding The Nemesis Chapter is a Loyalist Codex Astartes-compliant Space Marine Chapter. It is a Second Founding Successor Chapter of the Ultramarines Legion.
Nemesors Unknown Ultima Founding The Nemesors is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from an unknown lineage and raised during the Ultima Founding of ca. 999.M41. The Nemesors played a role in the Indomitus Crusade under Lord Commander of the Imperium Guilliman's orders and were seen in action upon the world of Agrathane Excellia by the twisted Heretic Astartes and former Emperor's Children Apothecary Fabius Bile.
Night Hawks Unknown Unknown The Night Hawks is a Loyalist Space Marine Chapter of unknown Founding and origin. It participated in the Angarius Incursion in the late 41st Millennium.
Night Sentinels Unknown Unknown The Night Sentinels is a Loyalist Space Marine Chapter of unknown Founding and origin.
Night Swords Imperial Fists Unknown The Night Swords is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding created in the 32nd Millennium from the stoic lineage of the Imperial Fists. Perhaps the most notable event for this Chapter in recent centuries has been its recovery of the remains of multiple ancient Land Raiders Proteus, which were used to construct the first of these ancient vehicles since the time of the Great Crusade.
Night Watch Unknown Unknown The Night Watch is one of the Loyalist Space Marine Chapters founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos. The Night Watch of an unknown Founding and origin.
Nova Legion Ultramarines Unknown The Nova Legion was a Loyalist Space Marine Chapter of unknown Founding and a Successor Chapter of the Ultramarines. Its Chapter planet was the world of Scintil-Novax. The Nova Legion had been tasked alongside its fellow Ultramarines Successor Chapters the Crimson Consuls, Vindicators, and the Marines Mordant with guarding the rimward frontiers of the Maelstrom Zone.
Nova Wings Unknown Unknown The Nova Wings is a Loyalist Space Marine Chapter of unknown Founding and origin.
Novamarines Ultramarines Second Founding The Novamarines is a Second Founding Successor Chapter of the Ultramarines. The Novamarines are scattered throughout the galaxy, and have not fought together as a Chapter since the early years of the 37th Millennium.

O

Name Origin Founding Notes
Oblators Unknown Unknown The Oblators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Obsidian Glaives Ultramarines Second Founding The Obsidian Glaives was a Second Founding Successor or Primogenitor Chapter of the Ultramarines. The Obsidian Glaives were recorded as having been annihilated when their home world of Obstiria was invaded in 998.M41 by the vast Greenskin hordes of the infamous Ork Warlord Grukk Face-rippa and his Red WAAAGH!. Their current status is unknown.
Obsidian Jaguars Ultramarines Unknown The Obsidian Jaguars is a Loyalist Space Marine Chapter of unknown Founding and Ultramarines genetic origin.
Omega Marines Unknown Unknown The Omega Marines is a Loyalist Space Marine Chapter of unknown origin or Founding raised sometime during the 40th Millennium.

P

Name Origin Founding Notes
Pain Bringers Unknown Unknown The Pain Bringers is a Loyalist Space Marine Chapter of unknown Founding and origin. Its most notable action occurred in 846.M38, on the third moon of Vida's World, where it engaged and defeated an Eldar army, and as a result, recovered a nearly-intact Fire Prism Grav Tank.
Panthers Unknown Unknown The Panthers is a Loyalist Space Marine Chapter of unknown Founding and origin.
Patriarchs of Ulixis Ultramarines Second Founding The Patriarchs of Ulixis is a Loyalist Codex Astartes-compliant Space Marine Chapter. It is a Second Founding Successor Chapter of the Ultramarines. Proud Primogenitors, the Patriarchs of Ulixis have won great acclaim for their skill in battle. They are renowned for their exceptional bladework and marksmanship, to the point where their Veterans are often seconded to the Honour Guards of other Ultramarines successors.
Penitents Unknown Unknown The Penitents is a Loyalist Space Marine Chapter of unknown Founding and origin.
Penitent Blades Dark Angels Unknown The Penitent Blades are a Loyalist Space Marine Chapter and a successor of the Dark Angels, created during an unknown Founding.
Persecutors of Darkness Dark Angels Unknown The Persecutors of Darkness is a Successor Chapter of the original Dark Angels Space Marine Legion.
Praetors of Orpheus Ultramarines Second Founding The Praetors of Orpheus is a Codex Astartes-compliant Second Founding Successor Chapter of the Ultramarines.
Praetors of Ultramar Ultramarines Ultima Founding The Praetors of Ultramar is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the Ultramarines and raised during the Ultima Founding of 999.M41. The Praetors of Ultramar is one of the ten Astartes Chapters permanently assigned by Lord Commander of the Imperium Roboute Guilliman with defending the Realm of Ultramar in the wake of the Plague Wars.
Prime Absolvers Dark Angels Ultima Founding The Prime Absolvers are a Loyalist Space Marine Chapter and a successor of the Dark Angels, created solely from Primaris Space Marines during the Ultima Founding of ca. 999.M41.
Prophets of Mercury Unknown Unknown The Prophets of Mercury was once a Loyalist Chapter of Space Marines of unknown origin and Founding. It was lost after entering the Eye of Terror in 321.M37 as part of the Imperial Abyssal Crusade. It is unknown what it endured during its sojourn into the Eye, though it was declared Martyr Extremis by the Imperial Inquisition, considered to have been wiped out by the forces of Chaos.
Purgators Unknown Unknown The Purgators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Purple Stars Unknown Second Founding The Purple Stars is a Loyalist Space Marine Chapter of Second Founding and unknown origin. It is rumoured to have close ties with the Adeptus Mechanicus and the Inquisition.

Q

No known Chapters' names begin with the letter "Q".

R

Name Origin Founding Notes
Rainbow Warriors Ultramarines Unknown The Rainbow Warriors is a Loyalist Space Marine Chapter and a Successor Chapter of the Ultramarines, raised during an unknown Founding.
Rampagers White Scars Second Founding The Rampagers is a Loyalist Space Marine Chapter and a Second Founding Successor Chapter of the White Scars. Like their progenitors, the Rampagers make use of ritual facial scarring to denote both the rank and achievements of Astartes in the Chapter. These scars are applied during a long, sacred Chapter ceremony called the Blooding. The blood drawn from the faces of the Space Marines during this ritual is then mixed with the drinks served during the feast that always follows the completion of the ceremony.
Raptors Raven Guard Second Founding The Raptors is a Loyalist Second Founding Successor Space Marine Chapter of the Raven Guard. It has been heavily involved in many of the most recent campaigns of the Imperium of Man, including the Badab War, the Third War for Armageddon and the Taros Campaign.
Raven Covenant Unknown Unknown The Raven Covenant is a Loyalist Space Marine Chapter of unknown Founding and origin.
Raven Guard N/A First Founding The Raven Guard is one of the original First Founding Space Marine Legions and was originally the XIX Space Marine Legion before the Second Founding and the adoption of the Codex Astartes. The Primarch of the Raven Guard was Corvus Corax. The Raven Guard is known for its cool-headed, even intellectual temperament, its superb infiltration skills and skill at furious close-quarters engagements. The Raven Guard Space Marines are the masters of unseen and guerilla warfare, only engaging in frontal assaults when no other option presents itself.
Raven's Watch Raven Guard Unknown The Raven's Watch is a Loyalist Space Marine Chapter of unknown Founding that is a rare Successor Chapter of the Raven Guard. It recently defended the beleaguered world of Kitab in 990.M41, which came under attack by a splinter of Hive Fleet Eumenides.
Reclaimers Unknown Unknown The Reclaimers is one of the Loyalist Space Marine Chapters founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes mentioned in the ancient tome known as the Mythos Angelica Mortis that was created to defend the regions surrounding the Eye of Terror in the Segmentum Obscurus from the forces of Chaos.
Reborn Ultramarines Unknown The Reborn is a Loyalist Space Marine Chapter of unknown Founding and a successor of the Ultramarines.
Red Consuls Ultramarines Unknown The Red Consuls is a little-known Loyalist Space Marine Chapter descended from the lineage of the Ultramarines. This Chapter's most notable actions occurred in 926.M41, when it was a part of an Astartes task force, that defended the Vidar Sector from the Necron weapon known as the World Engine, a planet-sized spacecraft, armed with Gauss Projectors capable of scorching entire planets of all life. Twelve times, the Imperial task force attempted to overwhelm the unstoppable engine of destruction. But only through the heroic, but ultimately, suicidal actions of a fellow Space Marine Chapter, was the World Engine brought low.
Red Dragons Unknown Unknown The Red Dragons is a Loyalist Codex Astartes-compliant Chapter of unknown Founding and origin.
Red Hunters Unknown Unknown The Red Hunters is a Loyalist Space Marine Chapter of unknown origin and Founding that has unusually strong ties to the Inquisition. The Red Hunters Chapter has a long history of putting itself at the service of the Inquisition and the entire Chapter has been known to serve under the command of an Inquisitor Lord on certain occasions, most notably during the lamentable campaigns known as the Months of Shame and the Siege of Vraks.
Red Knights Blood Angels Unknown The Red Knights is a young Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding. It has clashed with a Night Lords warband in the orbit above the planet of Quelos.
Red Legion Unknown Unknown The Red Legion is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding. This Chapter hails from the world of Oxatan.
Red Scimitars Unknown Unknown The Red Scimitars is a Loyalist Space Marine Chapter of unknown Founding and origin.
Red Scorpions Unknown Unknown The Red Scorpions is a Loyalist Space Marine Chapter known to be composed of conservative Imperial purists who are famed for their complete and utter devotion to Imperial doctrine, past the point where pragmatism or even reason would seem to require otherwise. The Chapter is most renowned among other Astartes for its absolute adherence to every line of the Codex Astartes, which is unheard of in any other Chapter -- including the Ultramarines.
Red Seraphs Unknown Unknown The Red Seraphs is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Red Talons Iron Hands Second Founding The Red Talons is a Loyalist Space Marine Chapter and a Second Founding Successor Chapter of the Iron Hands. The Red Talons were founded from a portion of the Iron Hands Legion's Morragul Clan, made up primarily of outcasts and the most unstable elements of the X Legion, who fought and died under the merciless command of their bloody-handed Clan commander, the Iron-Lord Autek Mor.
Red Templars Imperial Fists Unknown The Red Templars is a Loyalist, Codex Astartes-compliant Space Marine Chapter of an unknown Founding date which is a Successor Chapter of the Imperial Fists. The Red Templars have been known to make use of Assault Bikes at the squad level in combat.
Red Wings Blood Angels Unknown The Red Wings is a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding.
Red Wolves Unknown Unknown The Red Wolves is a Loyalist Chapter of Space Marines of unknown origin and Founding. The Red Wolves claim the planet of Bloodfall in the Segmentum Solar as their Chapter homeworld.
Redeemed Unknown Unknown The Redeemed is a Loyalist Space Marine Chapter of unknown Founding and origin.
Redeemers Unknown Unknown The Redeemers is a Loyalist Space Marine Chapter of unknown Founding and origin.
Regents of Gheren Unknown Unknown The Regents of Gheren is a Loyalist Space Marine Chapter of unknown Founding and origin.
Reparators Unknown Unknown The Reparators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Retractors Unknown Unknown The Retractors is a Loyalist Space Marine Chapter of unknown Founding and origin.
Retributors Unknown Unknown The Retributors are a Loyalist Space Marine Chapter of unknown Founding and genetic origin.
Revilers Raven Guard Unknown The Revilers is a Loyalist Space Marine Chapter of unknown Founding created from the gene-stock of the Raven Guard. This Chapter is known to specialise in jungle warfare.
Rhetors Unknown Unknown The Rhetors is a Loyalist Space Marine Chapter of unknown Founding and origin.
Rift Cobras Unknown Ultima Founding The Rift Cobras is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from an unknown genetic lineage.
Rift Stalkers Raven Guard Ultima Founding The Rift Stalkers is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the rare lineage of the Raven Guard and raised during the Ultima Founding of 999.M41. These gene-crafted warriors are the key components of the resurrected Primarch's Indomitus Crusade to reclaim the galaxy for Mankind.
Ruby Crescents Blood Angels Unknown The Ruby Crescents are a Loyalist Chapter of an unknown Founding and of the Blood Angels' genetic lineage. A detachment of the Ruby Crescents garrisoning the fortress of Redmoon Keep on the Jungle World of Camarth in the Imperium Nihilus were captured by the Heretic Astartes of the Ten Thousand Eyes warhost and used as part of the corrupt experiments of the Fallen Angel Sorcerer Lord Seraphax.

S

Name Origin Founding Notes
Sable Brotherhood Blood Angels Unknown The Sable Brotherhood is a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding. The battle-brothers of the Sable Brotherhood are considered to be unusually dour, even for Successors of the Blood Angels.
Sable Knights Blood Angels Unknown Determined to make the most of their time before the Black Rage consumes them, the Sable Knights are fleet-based, racing from war to war.
Sable Swords Unknown Unknown The Sable Swords is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding said to be created in the latter years of the 41st Millennium, making it one of the newest Space Marine Chapters to be raised.
Salamanders N/A First Founding The Salamanders is a First Founding Space Marine Chapter whose Primarch was Vulkan. It originally served as the Imperium's XVIII Space Marine Legion during the Great Crusade and the Horus Heresy. The Salamanders as a Chapter are unusually concerned with preventing civilian casualties compared to most other Space Marines.
Sanguine Host Blood Angels Unknown The Sanguine Host is a Loyalist Space Marine Chapter and a Successor Chapter of the Blood Angels, created during an unknown Founding.
Scar Lords Unknown Second Founding The Scar Lords was a Loyalist Space Marine Chapter of the Second Founding and unknown origin. The Chapter met its end in conflict with the T'au of Vior'los.
Scions of Iron Unknown Unknown The Scions of Iron is a Codex Astartes-divergent Loyalist Space Marine Chapter of unknown Founding and origin. They are known for their high reverence for the Machine Spirit of their vehicles and equipment.
Scions of Sanguinius Blood Angels Unknown The Scions of Sanguinius are a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding.
Scythes of the Emperor Ultramarines 3rd Founding The Scythes of the Emperor's origins can be traced back to the bygone era of the Horus Heresy, when it was originally part of the Ultramarines Legion's 199th "Aegida" Company, which was assigned as sentinel over the restricted world of Sotha, and the mysterious xenos artefact known as the Pharos.
Selenarchs Unknown Unknown The Selenarchs is a Loyalist Space Marine Chapter of unknown Founding and origin.
Shadow Falcons Unknown Unknown The Shadow Falcons is a Loyalist Space Marine Chapter of unknown Founding and origin. This Chapter is notable for possessing a high number of Librarians within its ranks. At least one junior Lexicanium serves in each Company's Command Squad.
Shadow Griffons Unknown Unknown The Viper Legion is a Loyalist Space Marine Chapter of unknown Founding and origin.
Shadow Haunters Raven Guard Unknown The Shadow Haunters is a Loyalist Space Marine Chapter of unknown Founding created from the gene-stock of the Raven Guard. It has participated in the pacification of the Fenris System that was caught in a daemonic incursion.
Shadow Hawks Unknown Unknown The Shadow Hawks is a Loyalist Space Marine Chapter of unknown Founding and origin. Its 3rd Company went Renegade following the Cruach Mhorn Massacres of 304.M39 and its Captain Mahaur became the Chaos Lord known as Mahaur the Harvester who later led the Slaughterkin warband of Chaos Space Marines.
Shadow Wolves Imperial Fists Unknown The Shadow Wolves was a Codex Astartes-compliant, Loyalist Space Marine Chapter derived from the Imperial Fists' gene-seed. Created during an unknown Founding, the Shadow Wolves was known to be a zealous and faithful Chapter by reputation, fighting for the honour of the Emperor of Mankind for thousands of Terran years, until it met its ultimate fate at the hands of a Tyranid splinter fleet in 987.M41 when its homeworld of Varadon was overrun by the xenos swarms.
Shadowhawks Unknown Unknown The Shadowhawks is a Loyalist Space Marine Chapter of unknown Founding and origin. It has participated in the First and the Second Punisher Wars against the vile Punishers Chaos Space Marine warband.
Silver Drakes Unknown Unknown The Silver Drakes is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from an unknown lineage and raised during the Ultima Founding of ca. 999.M41. The Silver Drakes were tasked by the Imperium with turning back Hive Fleet Ouroboris. Their Inceptor Squads cut a swathe through the Hive Fleet's sky-swarms, hunting the immense winged monsters at their heart. Though the Drakes' tactics are effective, their numbers are still few. Isolated and outnumbered, the Chapter has dug in to fight a long, bloody, running war.
Silver Eagles Ultramarines Second Founding The Silver Eagles is a Loyalist Codex Astartes-compliant Space Marine Chapter. It is a Second Founding Successor Chapter of the Ultramarines Legion.
Silver Guard Unknown Unknown The Silver Guard is a Loyalist Space Marine Chapter of unknown Founding and origin that fought to liberate the Sabbat Worlds Sector from the control of the forces of Chaos during the Sabbat Worlds Crusade that began in 741.M41.
Silver Phoenixes Unknown Unknown The Silver Phoenixes is a Loyalist Space Marine Chapter of unknown Founding and origin.
Silver Sabres Unknown Unknown The Silver Sabres is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Silver Skulls Ultramarines Second Founding The Silver Skulls is a Codex Astartes-compliant Loyalist Chapter of Space Marines which is a Second Founding Successor Chapter of the Ultramarines. The Silver Skulls will only take to the battlefield when the psychic portents that their specialist Librarians known as Prognosticators receive from the Emperor indicate that the outcome of the combat will be favourable for the Chapter.
Silver Stars Unknown Unknown Unable to recover enough of the precious Progenoid Glands of their fallen battle-brothers, the Silver Stars could not cultivate further Astartes organ implants to create future generations of Space Marines and died off, unable to replace its losses.
Silver Templars Ultramarines Ultima Founding The Silver Templars is a Loyalist Codex Astartes-compliant Space Marine Chapter born of the Ultima Founding and a Successor Chapter of the Ultramarines. The Silver Templars were amongst the first of the Primaris Chapters created in the Ultima Founding. The Silver Templars' homeworld is Novaris, located in the Ultima Segmentum.
Skull Bearers Executioners (Unconfirmed) Unknown The Skull Bearers is a Loyalist Codex Astartes-compliant Space Marines Chapter of unknown origin and Founding which believes itself to be a Successor Chapter of the zealous and ferocious Executioners Chapter. The validity of this belief is unknown.
Sky Sentinels Unknown Unknown The Sky Sentinels was a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding. The Sky Sentinels were killed to the last man when their homeworld of Pranagar was overrun by the forces of Magnus the Red, Daemon Primarch of the Thousand Sons in the wake of the 13th Black Crusade and the creation of the Great Rift in 999.M41.
Solar Hawks White Scars Unknown The Solar Hawks is a little-known Loyalist Space Marine Successor Chapter of the White Scars, founded during an unknown Founding. Sharing their forefather's battle lust and aggressive style of lightning warfare, the Solar Hawks are notable for being aggressive and noble. The Solar Hawks field an especially large number of airborne assets, regularly deploying whole wings of Stormtalons or Stormravens into battle.
Sons of Antaeus Ultramarines 21st Founding The Sons of Antaeus is a Loyalist Space Marines Chapter of the the 21st Founding that is a Successor Chapter of the Ultramarines. Like the mythological giant Antaeus, the Astartes of the Sons of Antaeus Chapter are unusually large and robust physical specimens, even among their already superhuman kind.
Sons of Dorn Imperial Fists Unknown The Sons of Dorn is a Loyalist Codex Astartes-compliant Space Marine Chapter and a Successor Chapter of the Imperial Fists. It was created during an unknown Founding at some time during the 34th Millennium. In 999.M41 Archea was ravaged by a splinter fleet of the Tyranids' Hive Fleet Leviathan.
Sons of Galathor Unknown Unknown The Sons of Galathor is a Loyalist Space Marine Chapter of unknown origin and Founding.
Sons of Gorgax Unknown Unknown Unable to recover the precious Progenoid Glands of their fallen battle-brothers in large enough amounts, the Sons of Gorgax were unable to cultivate further organ implants and quickly died off, unable to replace its losses.
Sons of Guilliman Ultramarines Unknown The Sons of Guilliman is a Codex Astartes-compliant Space Marine Chapter created during the 33rd Millennium from Ultramarines gene-seed.
Sons of Helios Unknown Unknown The Sons of Helios are a Loyalist Space Marine Chapter of unknown Founding and origin. They believed they had the ability to inure themselves to the corrupting power of the Warp through the practice of an unusual mental discipline. In truth, this discipline was a Chaos ritual that had been taught to them by a daemon of Tzeentch, and ultimately resulted in the damnation of the Chapter.
Sons of Jaghatai White Scars (Suspected) Unknown The Sons of Jaghatai is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding. Despite the Chapter's name its genetic heritage remains unconfirmed.
Sons of Medusa Iron Hands N/A - Ratified by Imperial edict (37th Millennium) The Sons of Medusa is a Loyalist Successor Chapter of Space Marines drawn from the unforgiving Iron Hands Chapter whose existence was ratified by an Imperial edict of the High Lords of Terra in 011.M37.
Sons of Orar Ultramarines Unknown This Chapter reveres Orar, an Ultramarines Legion Captain who won great renown in the wake of the Horus Heresy. The Sons of Orar are perhaps most famous for spearheading the Imperium of Man's massive assault upon the Asuryani Craftworld Alaitoc.
Sons of Orpheus Unknown Unknown The Sons of Orpehus is a Loyalist Space Marine Chapter of unknown Founding and origin.
Sons of the Phoenix Imperial Fists Ultima Founding Faithful to the Emperor and ritualistic in their battle cant, the Sons of the Phoenix pride themselves on plunging into the flames of battle. They are constantly on crusades, which are led by their Chaplains.
Sons of Sanguinius Blood Angels Second Founding Brutal and bloodthirsty, the Sons of Sanguinius zealously prosecute the enemies of Mankind, often times displaying a disturbing and callous disregard for the lives of the civilians of the Imperium.
Sons of the Kraken Unknown Unknown The Sons of the Kraken is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.
Sons of the Raven Raven Guard (Unconfirmed) Unknown The Sons of the Raven participated in the campaign against the forces of Chaos and the Hell-Forge of Sarum, where the Sons of the Raven were utterly annihilated in 416.M37.
Space Sharks Unknown Second Founding (unconfirmed) or 23rd Founding (37th Millennium) (Unconfirmed) It is not entirely clear whether the Space Sharks are a separate Chapter or are the same group of Astartes as the recently returned Carcharodons Chapter that also took part in the Badab War.
Space Wolves N/A First Founding The Space Wolves is one of the original 20 First Founding Space Marine Legions, and was once led by its famed Primarch, Leman Russ. The Space Wolves are renowned for their anti-authoritarian ways and their embrace of their homeworld Fenris' savage barbarian culture as well as their extreme deviation from the Codex Astartes in the Chapter's organisation.
Star Dragons Unknown Unknown The Star Dragons is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin. The Chapter homeworld of the Star Dragons is the planet Draconith. Currently, the Star Dragons have joined with the Blood Swords Chapter to travel the wastes of space near the Eye of Terror in a joint containment fleet designated Containment Fleet Kappa.
Star Leopards Unknown Unknown The Star Leopards is a Loyalist Space Marine Chapter of unknown Founding and origin.
Star Phantoms Unknown 23rd Founding The Star Phantoms took part in the final days of the Badab War and the final assault upon the Renegade Astral Claws' Chapter homeworld of Badab Primaris, helping bring the war to a successful conclusion.
Star Scorpions Unknown 25th Founding The Star Scorpions are now considered extinct, a lost Chapter of Astartes.
Steel Confessors Iron Hands 19th Founding The Steel Confessors recently successfully defended their homeworld, the Forge World of Kalevala, from an attack by the Tyranid Hive Fleet Leviathan, though at great cost to the Chapter.
Stone Hearts Unknown Unknown The Stone Hearts is a Loyalist Space Marine Chapter of unknown Founding and origin. Stone Hearts battle-brothers are known for marking their bodies with intricate tattoos that denote each battle that they have fought in.
Stone Gauntlets Unknown Unknown The Stone Gauntlets is a Loyalist Space Marine Chapter of unknown Founding and origin. This Chapter's most notable action occurred during the Imperium's defence of the Medina Corridor from a large invasion by the forces of Chaos.
Storm Callers Unknown Unknown The Storm Callers is a Loyalist Space Marine Chapter of unknown origin and Founding. Portions of the Chapter were corrupted by Chaos during the Storm Callers advance into the Taninim Expanse, a civil war was fought within the ranks of the Chapter and the Loyalists emerged triumphant, purging the Traitors from their midst.
Storm Falcons Unknown Unknown The Storm Falcons ís a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Storm Giants Salamanders (Unconfirmed) 26th Founding The Storm Giants is a Loyalist Codex Astartes-compliant Chapter of Space Marines created during the 26th Founding in 738.M41. Its origins remain unknown, though many suspect that it is a Successor Chapter of the Salamanders of Nocturne.
Storm Hawks Raven Guard Unknown The Storm Hawks is a Loyalist Codex Astartes-compliant Space Marine Chapter and rare Successor Chapter of the Raven Guard. Their exact founding date is unknown but the Storm Hawks are thought to be related to the Raven Guard through a later Founding.
Storm Lords White Scars Second Founding The Storm Lords is a Loyalist Space Marine Chapter and a very rare Second Founding Successor Chapter created from the gene-seed of the White Scars.
Storm Ravens Unknown Unknown The Storm Ravens is a Loyalist Space Marine Chapter of unknown Founding and origin. This Chapter was instrumental in the development of the Suppression Force doctrine, which is credited to Jagveij Skyhammer, Master of the Arsenal for the Storm Ravens Chapter and victor of the Rhopara Crusade.
Storm Reapers White Scars Ultima Founding The Storm Reapers is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the White Scars and raised during the Ultima Founding of 999.M41.
Storm Wardens Unknown Unknown The Storm Wardens is a Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin, based on the Forbidden World of Sacris in the Calixis Sector of the Segmentum Obscurus. Its entire 1st Company and Chapter Master Owin Glandwyr were placed into stasis within a sealed portion of the Chapter's fortress-monastery on Sacris following the Nemesis Incident of 945.M36.
Storm Warriors Unknown Unknown The Storm Warriors is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding. It appears that it is a late Founding Chapter.
Storm Wings Raven Guard Unknown The Storm Wings is a Loyalist Codex Astartes-compliant Space Marine Chapter from an unknown Founding that is a Successor Chapter of the Raven Guard.
Stormwatchers Unknown Unknown The Stormwatchers are a Loyalist Space Marine Chapter of unknown genetic origin and Founding located in the Caligari Sector of the Segmentum Tempestus. The Chapter's existence is a secret that few amongst the Imperium of Man are aware of and they have sworn to aid the Inquisition operating in the Caligari Sector in defending that blighted realm.
Stormwalkers Unknown Unknown The Stormwalkers is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin. The Stormwalkers are known to have sent three Brotherhoods of Astartes to take part in the massive Dark Marches Crusade (launched in 610.M36), commanded by Lord Tempestus Hal Orpheus.
Subjugators Imperial Fists (Unconfirmed) Unknown The Subjugators is a Loyalist Space Marine Chapter suspected to be a Successor Chapter of the Imperial Fists' created during either the 23rd or 24th Founding in the 41st Millennium. The Subjugators is one of the Loyalist Space Marine Chapters founded as part of the Astartes Praeses -- one of the 20 Chapters of Astartes that was created to defend the regions surrounding the Eye of Terror.
Supplicators Unknown Unknown The Supplicators is a Loyalist Space Marine Chapter of unknown Founding and origin.
Swords of Praesium Unknown Unknown The Swords of Praesium is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding or origin. Two of this Chapter's companies turned Renegade on the world of Acropolis Vega after being trapped by a Warp Storm for 70 years. They became the Renegade warband known as the Swords of Khargoth.
Swords of the Emperor Unknown Unknown The Swords of the Emperor is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding or origin.

T

Name Origin Founding Notes
Tarantulas Unknown Unknown The Tarantulas is a Loyalist Space Marine Chapter of unknown Founding and origin.
Taurans Unknown Unknown The Taurans is a Loyalist Space Marine Chapter of unknown Founding and origin.
Tempest Guard Unknown Unknown The Tempest Guard is a Loyalist Space Marine Chapter of unknown Founding and origin.
Tempestors Unknown Unknown The Tempestors is a Loyalist Space Marine Chapter of unknown Founding and origin.
Templars of Blood Blood Angels Unknown The Templars of Blood is a Loyalist Space Marine Chapter and a successor to the Blood Angels of an unknown Founding. Like their progenitors, these sons of the Primarch Sanguinius take pride in their ability to meet the foe head-on, although this is where the similarities between the Chapters end.
Templars of the Covenant Unknown Unknown The Templars of the Covenant is a Loyalist Space Marine Chapter of an unknown Founding and genetic origin.
Terror Tigers Unknown Unknown The Terror Tigers is a Loyalist Space Marine Chapter of unknown Founding and origin. Sometime in the 41st Millennium, the Terror Tigers lost one quarter of the Chapter's strength when a mutant warlord assaulted their homeworld, after which their Chapter Master summarily ordered his own execution as punishment.
The Remnants Blood Angels Unknown The Remnants are a Loyalist Space Marine Chapter and a successor of the Blood Angels of an unknown Founding.
The Unnamed Dark Angels Ultima Founding The Unnamed are a Loyalist Space Marine Chapter and a successor of the Dark Angels, created solely from Primaris Space Marines during the Ultima Founding of ca. 999.M41.
Tiger Claws Astral Claws 21st Founding The Tiger Claws was a former Loyalist Space Marine Chapter descended from the Astral Claws Chapter. Declared destroyed over fourteen centuries earlier and effectively a dead Chapter, a lone Strike Cruiser reappeared after having been trapped in the Warp and subjected to severe time distortion. It was later found in 908.M41 during the conflict known as the Badab War that the Astral Claws Chapter Master Lufgt Huron had in fact deliberately withheld his Chapter's gene-seed, not to replenish the Chapter's own losses, but at first in order to help save their near extinct kin, the Tiger Claws Chapter.
Tigers Argent Unknown Unknown The Tigers Argent is a Loyalist Chapter of Codex Astartes-compliant Space Marines of unknown Founding and origin. It aided the Imperial Angevin Crusade that conquered the Calixis Sector of the Segmentum Obscurus for the Imperium of Man in the early 39th Millennium. Its homeworld is known as Icefang.
Tome Keepers Ultramarines 4th Founding The Tome Keepers are a Loyalist Space Marine Successor Chapter of the Ultramarines, created during the 4th Founding sometime during the fifth century in the 32nd Millennium. Shortly after the Chapter was founded they took the name and insignia of the "Tome Keepers". This was inspired by an event that followed the Chapter's arrival on the sparsely populated Desert World of Istrouma.
Tormentors Unknown Unknown The Tormentors is a Loyalist Space Marine Chapter of unknown Founding and origin.
Tormented Unknown Unknown The Tormented is a Loyalist Space Marine Chapter of unknown Founding and origin.
Tributors Unknown Unknown The Tributors is a Loyalist Space Marine Chapter of unknown Founding and origin.

U

Name Origin Founding Notes
Ultramarines N/A First Founding The Ultramarines, the direct descendant of the XIIIth Space Marine Legion of the First Founding, is considered the greatest of all the Space Marine Chapters in the Imperium of Man, almost single-handedly holding the Imperium together after the Horus Heresy. The Ultramarines are currently led by their recently resurrected Primarch Roboute Guilliman, who defended the Realm of Ultramar from the forces of Nurgle during the so-called Plague Wars.
Umbral Knights Unknown Ultima Founding The Umbral Knights is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from an unknown lineage and raised during the Ultima Founding of 999.M41. The Umbral Knights were tasked with staying behind after one of the initial conflicts of the Indomitus Crusade was won so that they could consolidate the crusade's gains among the liberated worlds.
Umbral Titans Unknown Unknown The Umbral Titans are a Loyalist Space Marine Chapter of unknown Founding and origin. Alongside the Red Scorpions, Ultramarines and a few other Chapters, they possess a gene-seed record of extreme purity.

V

Name Origin Founding Notes
Valedictors Unknown Unknown The Valedictors is a Loyalist Space Marine Chapter of unknown Founding and origin. The Valedictors was originally portrayed as a First Founding Legion which saw action on the Eastern Fringe of the Imperium against Orks, Aeldari, and Traitors during the Horus Heresy. It was described in detail in two Epic articles in White Dwarf 126 and 136, (circa 1990-91). The status of the Valedictors changed in White Dwarf 235, where they are said to be of a "later Founding", (post-Second Founding). Therefore, the Valedictors are no longer considered a First Founding Legion.
Valiant Blades Unknown Ultima Founding The Valiant Blades is a Chapter of Primaris Space Marines raised during the Ultima Founding of an unknown origin.
Venerators of Osiron Unknown Unknown The Venerators of Osiron is a Loyalist Space Marine Chapter of unknown Founding and origin.
Venerators Unknown Unknown The Venerators was a Loyalist Space Marine Chapter of unknown Founding and origin. During the 5th Black Crusade in 723.M36, Abaddon the Despoiler scoured the Elysia Sector, raiding hundreds of Imperial worlds and causing untold death and destruction. On Tarinth, the Despoiler lured the Warhawks and Venerators Chapters into the ruins of Kasyr Lutein where he trapped them between the daemonic hordes of Khorne and the forces of the Black Legion.
Verydian Hawks Unknown Unknown The Verydian Hawks is a Loyalist Space Marine Chapter of unknown Founding and origin.
Victors Unknown Unknown The Victors is a Loyalist Space Marine Chapter of unknown Founding and origin.
Vindicators Ultramarines Unknown The Vindicators is a Loyalist Space Marine Chapter of unknown Founding and a Successor Chapter of the Ultramarines.
Viper Legion Unknown Unknown The Viper Legion is a Loyalist Space Marine Chapter of unknown Founding and origin.
Void Axes Unknown Unknown The Void Axes is a Loyalist Space Marine Chapter of unknown Founding and origin.
Void Daggers Unknown Unknown The Void Daggers is a Loyalist Space Marine Chapter of unknown Founding and origin.
Void Tridents Ultramarines Ultima Founding The Void Tridents is a Loyalist Space MarineChapter comprised entirely of Primaris Space Marines created from the lineage of the Ultramarines and raised during the Ultima Founding of 999.M41. They are experts in starship boarding actions and ship-to-ship warfare, though under the command of Lord Commodore Theodro Vethrus, they have also proven themselves to be expert at planetary assaults.
Vorpal Swords Unknown Unknown The Vorpal Sword is a Loyalist Space Marine Chapter of unknown Founding and origin. It participated in the Abyssal Crusade and Gheistos Cataclysm.

W

Name Origin Founding Notes
War Bearers Unknown Unknown The War Bearers is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin.
Wardens of the Philae Unknown Unknown The Wardens of the Philae is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown Founding and origin.
Warhawks Unknown Unknown The Warhawks was a Loyalist Space Marine Chapter of unknown Founding and origin. During the 5th Black Crusade in 723.M36, Abaddon the Despoiler scoured the Elysia Sector, raiding hundreds of Imperial worlds and causing untold death and destruction. On Tarinth, the Despoiler lured the Warhawks and Venerators Chapters into the ruins of Kasyr Lutein where he trapped them between the daemonic hordes of Khorne and the forces of the Black Legion.
Warmongers Unknown Unknown The Warmongers is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Warrior Adepts Unknown Unknown The Warrior Adepts is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Warriors Tempest Unknown Unknown The Warriors Tempest is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
Watchguards Unknown Unknown The Watchguards is a Loyalist Chapter of Space Marines of unknown Founding and origin which fought to defend the Fortress World of Cadia during the climax of the 13th Black Crusade in 999.M41.
White Consuls Ultramarines Second Founding The White Consuls is a Second Founding Chapter of Space Marines. It is listed in the Apocrypha of Davio as having derived from the Ultramarines' gene-seed. Unlike other Astartes Chapters, it is unusual in that it maintains two Chapter Masters simultaneously -- one leading the Chapter to war as battlemaster, the other as the Proconsul of Sabbatine and its vassal star system, overseeing the defence of the Chapter's homworld and commanding a standing force ready at a moment's notice to respond to incursions through the Cadian Gate.
White Minotaurs Unknown Unknown The White Minotaurs is a Loyalist Codex Astartes-compliant Space Marine Chapter of unknown origin and Founding.
White Panthers Ultramarines (suspected) 26th Founding The White Panthers is a Codex Astartes-compliant Space Marine Chapter founded in 738.M41 during the 26th Founding. It is a Chapter of unknown origin, but is highly suspected to descend from Ultramarines' gene-seed due to its predilection for being strict adherents of the Codex Astartes.
White Scars N/A First Founding The White Scars is a Loyalist Space Marine Chapter, founded from the genetic template of its Primarch Jaghatai Khan. It was also one of the First Founding Legions of the Legiones Astartes, in this case the V Legion. Known and feared throughout the Imperium of Man for their highly mobile way of war, the White Scars are considered the masters of the lightning strike and hit-and-run attack.
White Sentinels unknown unknown The White Sentinels is a Loyalist Space Marine Chapter of unknown Founding and origin. It was known for its affinity for dangeous close assaults.
White Templars Imperial Fists Unknown The White Templars is a Loyalist Codex Astartes-compliant Space Marine Chapter of Imperial Fists lineage, created during an unknown Founding. The White Templars' Chapter homeworld is the planet named Sanctum, located in the Segmentum Solar.
Widowmakers Unknown Unknown The Widowmakers is a Loyalist Space Marine Chapter of unknown Founding and origin.
Wolfspear Space Wolves Ultima Founding The Wolfspear is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from the lineage of the Space Wolves and raised during the Ultima Founding of 999.M41. The Wolfspear was created after the end of the Indomitus Crusade by Lord Commander of the Imperium Roboute Guilliman from the ranks of his Unnumbered Sons and was tasked with guarding the Pit of Raukos to prevent any further use of that Warp rift by the forces of Chaos to assault the nearby Imperial worlds.

X

No known Chapters' names begin with the letter "X".

Y

Name Origin Founding Notes
Yellow Jackets Unknown Unknown Founding The Yellow Jackets is a Loyalist Space Marine Chapter of an unknown Founding and uncertain origin.

Z

No known Chapters' names begin with the letter "Z".

Sources

This is only a select and generalised list of sources. Please see each individual Chapter's page for a complete and accurate listing.


  • Codex Adeptus Astartes - Blood Angels (8th Edition), pg. 18-19, 23
  • Codex Adeptus Astartes - Dark Angels (8th Edition), pp. 18-19, 23
  • Codex Adeptus Astartes - Space Marines (8th Edition), pp. 20-21, 30, 53, 59
  • Chapter Approved: The Second Book of the Astronomican
  • Chapter Approved: The Cursed Founding
  • Citadel Journal 45, pg. 22
  • Codex Adeptus Astartes - Blood Angels (8th Edition), pg. 42
  • Codex: Orks (8th Editon), pg. 69
  • Codex Adeptus Astartes - Blood Angels (7th Edition) (Digital Edition)
  • Codex: Blood Angels (6th Edition)
  • Codex: Blood Angels (5th Edition)
  • Codex: Chaos Daemons (6th Edition), pg. 23
  • Codex Heretic Astartes - Chaos Space Marines (8th Edition), pg. 48, "The Primogenitor Primaris"
  • Codex Heretic Astartes - Death Guard (8th Edition), pg. 23
  • Codex: Chaos Space Marines (6th Edition), pp. 22-25
  • Codex: Chaos Space Marines (4th Edition), pp. 2, 21, 69
  • Codex: Chaos Space Marines (3rd Edition, 2nd Codex)
  • Codex: Dark Angels (6th Edition)
  • Codex: Dark Angels (4th Edition)
  • Codex: Dark Angels (3rd Edition), pg. 14
  • Codex: Eye of Terror (3rd Edition), pg. 16
  • Codex: Imperialis
  • Codex: Khorne Daemonkin (7th Edition), pg. 30
  • Codex: Legion of the Damned (6th Edition), pg. 14
  • Codex: Imperial Knights (8th Edition), pg. 55
  • Codex: Grey Knights (9th Edition), pp. 26-27
  • Codex: Space Marines (3rd Edition), pg. 47
  • Codex: Space Marines (4th Edition), pp. 18, 20
  • Codex: Space Marines (5th Edition), pg. 30
  • Codex: Space Marines (6th Edition), pg. 78
  • Codex: Space Marines (8th Edition) (Revised Codex), pp. 22-61
  • Codex: Space Marines (9th Edition), pp. 10-11, 46-47, 59, 63, 68-73
  • Codex: Tyranids (8th Edition), pg. 39
  • Codex Supplement Blood Angels (9th Edition), pg. 31
  • Codex Supplement Dark Angels (9th Edition), "Successor Chapters", pg. 27
  • Warhammer 40,000: Conquest 1, "A Thousand Chapters," "An Empire Torn in Two"
  • Citadel Journal 20, "Creating a Space Marine Chapter - The Sons of Sanguinius", by Isaac Tobin, pp. 19-20
  • Dark Imperium (Novel) by Guy Haley, Chs. 15, 20
  • Dataslate: Officio Assassinorum, pg. 14
  • Deathwatch Core Rulebook (RPG)
  • Deathwatch: First Founding (RPG)
  • Deathwatch: Honour the Chapter (RPG)
  • Deathwatch: Rites of Battle (RPG)
  • Wrath & Glory: Core Rules (RPG), pg. 202
  • Wrath & Glory: Rulebook (RPG) (Cubicle 7 Revised Edition 2020), pp. 14, 27, 58, 71, 106, 117, 299
  • Devastation of Baal (Novel) by Guy Haley
  • Horus Heresy: Collected Visions
  • How to Paint Space Marines (2004)
  • Imperial Armour Volume Four - The Anphelion Project, Second Edition, pg. 117
  • Imperial Armour Volume Nine - The Badab War - Book One
  • Imperial Armour Volume Ten - The Badab War - Book Two
  • Imperial Armour Volume Twelve - The Fall of Orpheus
  • Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 23
  • Index Astartes I
  • Index Astartes II
  • Index Astartes III
  • Index Astartes IV
  • Index Astartes, "The Emperor's Shield - Space Marine Chapters of the Armageddon War"
  • Insignium Astartes: The Uniforms and Regalia of the Space Marines
  • Realms of Chaos: The Lost & The Damned
  • Realms of Chaos: Slaves to Darkness
  • The Horus Heresy - Book One: Betrayal (Forge World Series) by Alan Bligh
  • The Horus Heresy - Book Two: Massacre (Forge World Series) by Alan Bligh
  • The Horus Heresy - Book Three: Extermination (Forge World Series) by Alan Bligh
  • The Horus Heresy - Book Four: Conquest (Forge World Series) by Alan Bligh
  • The Horus Heresy - Book Five: Tempest (Forge World Series) by Alan Bligh
  • The Horus Heresy - Book Six: Retribution (Forge World Series) by Alan Bligh
  • Psychic Awakening: The Saga of the Beast (8th Edition), pp. 8-9
  • Psychic Awakening: Ritual of the Damned (8th Edition), pp. 8-9
  • Warhammer 40,000 Compendium (1st Edition), pg. 105
  • Warhammer 40,000: Conquest 18, "Space Marines: Silver Templars"
  • Warhammer 40,000 Rulebook (6th Edition), pg. 177
  • Warhammer 40,000 Rulebook (8th Edition), pp. 51, 161
  • Warlords of the Dark Millennium: Huron Blackheart (6th Edition), pg. 6
  • Wrath & Glory: Core Rules (RPG), pg. 202
  • White Dwarf 98 (1988), "Chapter Approved: The Origin of the Legiones Astartes"
  • White Dwarf (March 2021), "Index Astartes - Exorcists", pg. 42
  • White Dwarf (October 2017), "Eavy Metal - Create your own Chapter," pp. 117-119
  • White Dwarf Weekly 41 (08 Nov 2014), "White Dwarf's Regiments of Renown - Raven's Watch", pg. 74
  • The Beast Arises (Novel Series):
    • The Emperor Expects (Novel) by Gav Thorpe
    • Predator, Prey (Novel) by Rob Sanders
  • Blood of Asaheim (Novel) by Chris Wraight, pp. 57, 96, 227, 236, 487
  • Dante (Novel) by Guy Haley
  • Dark Imperium (Anthology), "Apothecary's Honour," by Simon Jowett
  • Deathwatch (Novel) by Steve Parker
  • Deathwatch: Shadowbreaker (Novel) by Steve Parker, Ch. 36
  • Farsight: Crisis of Faith (Novel) by Phil Kelley
  • Voice of Mars (Novel) by David Guymer
  • Sons of the Hydra (Novel) by Rob Sanders
  • Spear of the Emperor (Novel) by Aaron Dembski-Bowden, Ch. 20
  • Onyx (Story) by Chris Wraight
  • Eminence Sanguis (Short Story) by Guy Haley
  • Truth Is My Weapon (Short Story) by Justin D Hill
  • The Devastation of Baal (Novel) by Guy Haley, Ch. 10
  • Tau & Necron (Collector's Guide), pg. 45
  • Soulbound (Audio Drama) by George Mann
  • Sons of the Hydra (Novel) by Rob Sanders, "The Serpent's Egg," "Spitting Venom," "Turning Tail"
  • Spear of the Emperor (Novel) by Aaron Dembski-Bowden, Ch. 20
  • Legion of the Damned (Novel) by Rob Sanders
  • Mephiston: Revenant Crusade (Novel) by Darius Hinks, Ch. 7
  • Mission: Purge (Audio Book) by Gav Thorpe
  • Warhammer 40,000: Inquisitor-Martyr (Video Game), Chapter 1: Campaign Mission 5 - "Madness Incarnated"
  • White Dwarf 305 (UK), pg. 104
  • White Dwarf 456 (September 2020), "Battles of the Pariah Nexus," pp. 58-60
  • White Dwarf 466 (July 2021), "A Light in the Darkness" and "Torchbearers Crusade Force," pp. 52, 65
  • Fantasy Flight Games - The Origins of a Brotherhood (11 Feb 2011)
  • Warhammer Community - Successor Showcase: Hawks, Knights and Pointy Sticks!
  • Warhammer Community - Successor Chapter Showcase: Paul Norton's Iron Ravens
  • Warhammer Community - Successor Chapter Showcase: Martin Morrin's Black Vultures
  • Psychic Awakening: The Stand of the Sabre (Short Story) By Callum Davis
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