Genus PROTOSTEGA
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Testudinata / n.a. n.a. / n.a. / Chelonia Cryptodira / n.a. Chelonioidea / Protostegidae n.a. / Protostega
Age: Distribution:	Late Cretaceous North America
Depicted on: Saint Vincent & the Grenadines, 1994 (position 12 of sheet 1) Sierra Leone, 2017 (M.S. margin)