Genus TRIMERORHACHIS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Amphibia / Labyrinthodontia / n.a. n.a. / n.a. / Temnospondyli Dvinosauria / n.a. n.a. / Trimerorhachidae n.a. / Trimerorachis
Age: Distribution:	Early Permian North America
Depicted on: Djibouti, 2024 (M.S. 2, fossil skull)