List of Space Marine Chapters - R: NameOriginFoundingNotesRainbow WarriorsUltramarinesUnknownThe Rainbow Warriors is a Loyalist Space Marine Chapter and a Successor Chapter of the Ultramarines, raised during an unknown Founding.RampagersWhite ScarsSecond FoundingThe 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.RaptorsRaven GuardSecond FoundingThe 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 CovenantUnknownUnknownThe Raven Covenant is a Loyalist Space Marine Chapter of unknown Founding and origin.Raven GuardN/AFirst FoundingThe 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 WatchRaven GuardUnknownThe 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.ReclaimersUnknownUnknownThe 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.RebornUltramarinesUnknownThe Reborn is a Loyalist Space Marine Chapter of unknown Founding and a successor of the Ultramarines.Red ConsulsUltramarinesUnknownThe 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 DragonsUnknownUnknownThe Red Dragons is a Loyalist Codex Astartes-compliant Chapter of unknown Founding and origin.Red HuntersUnknownUnknownThe 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 KnightsBlood AngelsUnknownThe 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 LegionUnknownUnknownThe 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 ScimitarsUnknownUnknownThe Red Scimitars is a Loyalist Space Marine Chapter of unknown Founding and origin.Red ScorpionsUnknownUnknownThe 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 SeraphsUnknownUnknownThe Red Seraphs is a Codex Astartes-compliant Loyalist Space Marine Chapter of unknown Founding and origin.Red TalonsIron HandsSecond FoundingThe 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 TemplarsImperial FistsUnknownThe 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 WingsBlood AngelsUnknownThe Red Wings is a Loyalist Space Marine Successor Chapter of the Blood Angels, created during an unknown Founding.Red WolvesUnknownUnknownThe 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.RedeemedUnknownUnknownThe Redeemed is a Loyalist Space Marine Chapter of unknown Founding and origin.RedeemersUnknownUnknownThe Redeemers is a Loyalist Space Marine Chapter of unknown Founding and origin.Regents of GherenUnknownUnknownThe Regents of Gheren is a Loyalist Space Marine Chapter of unknown Founding and origin.ReparatorsUnknownUnknownThe Reparators is a Loyalist Space Marine Chapter of unknown Founding and origin.RetractorsUnknownUnknownThe Retractors is a Loyalist Space Marine Chapter of unknown Founding and origin.RetributorsUnknownUnknownThe Retributors are a Loyalist Space Marine Chapter of unknown Founding and genetic origin.RevilersRaven GuardUnknownThe 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.RhetorsUnknownUnknownThe Rhetors is a Loyalist Space Marine Chapter of unknown Founding and origin.Rift CobrasUnknownUltima FoundingThe Rift Cobras is a Loyalist Space Marine Chapter comprised entirely of Primaris Space Marines, created from an unknown genetic lineage.Rift StalkersRaven GuardUltima FoundingThe 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 CrescentsBlood AngelsUnknownThe 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.