List of Space Marine Chapters - T: NameOriginFoundingNotesTarantulasUnknownUnknownThe Tarantulas is a Loyalist Space Marine Chapter of unknown Founding and origin.TauransUnknownUnknownThe Taurans is a Loyalist Space Marine Chapter of unknown Founding and origin.Tempest GuardUnknownUnknownThe Tempest Guard is a Loyalist Space Marine Chapter of unknown Founding and origin.TempestorsUnknownUnknownThe Tempestors is a Loyalist Space Marine Chapter of unknown Founding and origin.Templars of BloodBlood AngelsUnknownThe 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 CovenantUnknownUnknownThe Templars of the Covenant is a Loyalist Space Marine Chapter of an unknown Founding and genetic origin.Terror TigersUnknownUnknownThe 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 RemnantsBlood AngelsUnknownThe Remnants are a Loyalist Space Marine Chapter and a successor of the Blood Angels of an unknown Founding.The UnnamedDark AngelsUltima FoundingThe 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 ClawsAstral Claws21st FoundingThe 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 ArgentUnknownUnknownThe 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 KeepersUltramarines4th FoundingThe 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.TormentorsUnknownUnknownThe Tormentors is a Loyalist Space Marine Chapter of unknown Founding and origin.TormentedUnknownUnknownThe Tormented is a Loyalist Space Marine Chapter of unknown Founding and origin.TributorsUnknownUnknownThe Tributors is a Loyalist Space Marine Chapter of unknown Founding and origin.