List of Space Marine Chapters - F: NameOriginFoundingNotesFalling StarUnknownUnknownThe Falling Star is a Loyalist Space Marine Chapter of unknown Founding and origin.FarstalkersUnknownUnknownThe Farstalkers is a Loyalist Space Marine Chapter of unknown origin and Founding.Fire AngelsUltramarines25th FoundingThe 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 ClawsUltramarines and Dark Angels (suspected)UnknownThe 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 HawksUltramarines (Unconfirmed)21st FoundingThe 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 LordsUnknown (Imperial Fists suspected)UnknownThe 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.FirebreathersUnknownUnknownThe Firebreathers is a Loyalist Space Marine Chapter of unknown Founding and origin.Fists ExemplarImperial FistsSecond FoundingThe 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 EaglesRaven Guard (Unconfirmed)UnknownThe 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 FalconsUnknown21st FoundingThe 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 EatersBlood AngelsUnknownThe 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 TearersBlood AngelsSecond FoundingThe 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.FulminatorsUltramarinesUltima FoundingThe 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.