Genus THADEOSAURUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida / Lepidosauromorpha n.a. / n.a. / Eosuchia n.a. / n.a. n.a. / Tangasauridae n.a. / Thadeosaurus
Age: Distribution:	Late Permian Madagascar
Depicted on: Nicaragua, 1999 (position 5 of sheet 2, but Crassigyrinus depicted) Tanzania, 1999 (position 5 of sheet)