| Name
|
Origin
|
Founding
|
Notes
|
Sources
|
| Astral Knights
|
Unknown
|
Unknown
|
Sacrificed their chapter to destroy the Necron World Engine.
|
Codex: Space Marines (5th Edition), [Needs Citation]
|
| Black Consuls
|
Ultramarines
|
Second Founding
|
Recorded as annihilated during the Siege of Goddeth Hive, 455.M41.
|
Dark Creed (Novel), [Needs Citation], pg. 79
|
| Blades Eternal
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade
|
[Needs Citation]
|
| Brazen Skulls
|
Unknown
|
Unknown
|
Circumstances unknown.
|
Sabbat Martyr (Novel), [Needs Citation], pg. 46
|
| Brothers of the Red
|
Blood Angels
|
Unknown
|
Fatally undone by the Black Rage.
|
Death of Integrity (Novel), Chapter 11, pg. 109
|
| Chorus of Eltain
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade
|
[Needs Citation]
|
| 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);
Atlas Infernal (Novel), [Needs Citation], pgs. 21-40
|
| Crimson Legion
|
Blood Angels
|
Unknown
|
Circumstances unknown.
|
Index Astartes: Death Company, pg. 7
|
| Emperor's Swords (Bellicas)
|
Unknown
|
Unknown
|
Annihilated by Necrons.
|
Codex: Space Marines (5th Edition), pg. 49;
Codex: Necrons (5th Edition), pg. 27
|
| Emperor's Swords (Ghorstangrad)
|
Unknown
|
Unknown
|
Annihilated by the Alpha Legion.
|
Codex: Space Marines (5th Edition), pg. 49;
Codex: Necrons (5th Edition), pg. 27
|
| 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, by Rick Priestley
|
| Fists of Olchis
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade
|
[Needs Citation]
|
| Golden Sons
|
Blood Angels
|
Unknown
|
Circumstances unknown.
|
Index Astartes: Death Company, pg. 7
|
| Knights of Eternity
|
Unknown
|
Unknown
|
Recorded as annihilated during M41 by Hive Fleet Kraken
|
Codex: Tyranids (5th Edition), pg. 23
|
| 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
|
| Obsidian Glaives
|
Unknown
|
Unknown
|
Annihilated by the Red Waaagh!
|
[Needs Citation]
|
| Prophets of Mercury
|
Unknown
|
Unknown
|
Lost in the Abyssal Crusade
|
[Needs Citation]
|
| 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
|
| 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
|
|
|
| Star Scorpions
|
Unknown
|
25th Founding
|
A mixture of redundant gene-seed and becoming lost in the warp.
|
White Dwarf 98 (UK), [Needs Citation]
|
| 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]
|
| 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
|
