| Name
|
Origin
|
Founding
|
Notes
|
Sources
|
| Angels Excelsis
|
Blood Angels
|
Unknown
|
Destroyed during the Devastation of Baal
|
|
| Angels Glorious
|
Blood Angels
|
Unknown
|
Destroyed during the Devastation of Baal
|
|
| Angels of Retribution
|
Unknown
|
Unknown
|
Destroyed in an ambush on Alantor X. The Officio Assassinorum are believed to have been involved in their destruction.
|
Dataslate: Officio Assassinorum, pg. 9
|
| Astral Drakes
|
Unknown
|
Unknown
|
Destroyed by the Orks of Ghazghkull Mag Uruk Thraka.
|
Codex: Orks (8th Edition), pg. 69 — Ghazghkull Thraka
|
| Astral Knights
|
Imperial Fists
|
Unknown
|
Sacrificed their chapter to destroy the Necron World Engine.
|
Codex: Space Marines (5th Edition), [Needs Citation]
|
| Blades Eternal
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade
|
Codex: Chaos Space Marines (6th Edition), pgs. 17–19
|
| Blood Wings
|
Blood Angels
|
Unknown
|
Destroyed during the Devastation of Baal
|
|
| Brothers of Jarad
|
Blood Angels
|
Unknown
|
Destroyed during the Devastation of Baal.
|
|
| Brothers of the Red
|
Blood Angels
|
Unknown
|
Fatally undone by the Black Rage.
|
Death of Integrity (Novel), Chapter 11, pg. 109
|
| Burning Blood
|
Blood Angels
|
Unknown
|
Lost during the Devastation of Baal.
|
|
| Celestial Swords
|
Unknown
|
Unknown
|
Lost in the 9th Black Crusade.
|
|
| Chorus of Eltain
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade.
|
Codex: Chaos Space Marines (6th Edition), pgs. 17–19
|
| Crimson Axes
|
Imperial Fists
|
Unknown
|
Lost by 092.M39.
|
[Needs Citation]
|
| Crimson Consuls
|
Ultramarines
|
Unknown
|
Annihilated by the Alpha Legion.
|
The Long Games at Carcharias (Short Story)
|
| Crimson Legion
|
Blood Angels
|
Unknown
|
Circumstances unknown.
|
Index Astartes: Death Company, pg. 7
|
| Dark Paladins
|
Unknown
|
Third Founding
|
Fell in battle against mechanical Xenos, believed to be the Necrons.
|
Tau & Necron Collectors' Guide, pg. 45
|
| Emperor's Swords (Ghorstangrad)
|
Unknown
|
Unknown
|
Annihilated by the Alpha Legion.
|
Codex: Space Marines (5th Edition), pg. 49
|
| Exsanguinators
|
Blood Angels
|
Unknown
|
Fatally undone by the Black Rage.
|
Death of Integrity (Novel), Chapter 11, pg. 109
|
| Fire Hawks
|
Ultramarines
|
21st Founding
|
Lost in the Warp, survivors believed to be the Legion of the Damned.
|
Imperial Armour Volume Nine - The Badab War - Part One, pg. 66
Codex: Ultramarines (2nd Edition) pg. 63
White Dwarf 99 (UK) - Index Astartes: Legion of the Damned
|
| Fists Exemplar
|
Imperial Fists
|
Second Founding
|
Depleted during the War of the Beast and later disbanded by its former Chapter Master Maximus Thane.
|
The Beheading (Novel), Chapter 14
|
| Fists of Olchis
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade
|
Codex: Chaos Space Marines (6th Edition), pgs. 17–19
|
| Golden Sons
|
Blood Angels
|
Unknown
|
Devastation of Baal
|
Index Astartes: Death Company, pg. 7
|
| Knights of Blood
|
Blood Angels
|
Unknown
|
Sacrificed themselves during the Devastation of Baal.
|
|
| Knights of Eternity
|
Unknown
|
Unknown
|
Recorded as annihilated during M41 by Hive Fleet Kraken.
|
Codex: Tyranids (5th Edition), pg. 23
|
| Knights Sanguine
|
Blood Angels
|
Unknown
|
Consumed by war
|
Codex Supplement: Blood Angels (9th Edition), pg. 30 - Successor Chapters
|
| Lions Sable
|
Dark Angels
|
Second Founding
|
Fate tied to the Forgotten Wars, truth hidden by the Inner Circle.
|
Dataslate: Cypher - Lord of the Fallen pg. 19
|
| Marines Vigilant
|
Unknown
|
Unknown
|
Destroyed by the Crimson Fists after their minds were shattered by an encounter with xenos.
|
Deathwatch: Honour the Chapter, pg. 58
|
| Nova Legion
|
Ultramarines
|
Unknown
|
Destroyed by the Alpha Legion.
|
|
| Obsidian Glaives
|
Ultramarines
|
Unknown
|
Annihilated by the Red Waaagh!.
|
[Needs Citation]
|
| Prophets of Mercury
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade.
|
Codex: Chaos Space Marines (6th Edition), pgs. 17–19
|
| Shadow Wolves
|
Unknown
|
Unknown
|
Destroyed in battle when Tyranids invaded their chapter homeworld.
|
Helsreach Chapter Five
|
| Silver Stars
|
Unknown
|
Unknown
|
Hinted that the cause was a failure to collect sufficient gene-seed.
|
Conquest of Armageddon (Novel), Chapter Two
|
| Sky Sentinels
|
Unknown
|
Unknown
|
Destroyed while defending their Homeworld, from a Chaos invasion led by the Daemon Primarch Magnus.
|
Warhammer 40,000 8th Edition Rulebook, pg. 151 — Dark Imperium
|
| Sons of Gideon
|
Unknown
|
Unknown
|
Destroyed by the Crimson Fists after falling to heresy.
|
Deathwatch: Honour the Chapter, pg. 58
|
| Sons of Gorgax
|
Unknown
|
Unknown
|
Hinted that the cause was a failure to collect sufficient gene-seed.
|
Conquest of Armageddon (Novel), Chapter Two
|
| Sons of the Raven
|
Unknown
|
Unknown
|
Destroyed by the forces of Chaos in the Sarum Ambush.
|
Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 22 — The Martyred Sons
|
| Tiger Claws
|
Astral Claws
|
Unknown
|
Lost in the warp. Survivors joined the Astral Claws.
|
Codex: Ultramarines (2nd Edition) pg. 63
|
| Venerators
|
Unknown
|
Unknown
|
Destroyed during the 5th Black Crusade.
|
Chapter Approved 2001[Needs Citation]
Liber Chaotica: Khorne[Needs Citation]
|
| Vindicators
|
Ultramarines
|
Unknown
|
Destroyed by the Alpha Legion
|
Sons of the Hydra (Novel), Part I — The Viper's Nest
|
| Warhawks
|
Unknown
|
Unknown
|
Destroyed during the 5th Black Crusade.
|
Liber Chaotica: Khorne, [Needs Citation]
|
| Wolf Brothers
|
Space Wolves
|
Second Founding
|
Disbanded due to degenerative mutation
|
Codex: Space Wolves (2nd Edition), pg. 9
|
