Genus TRIONYX
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. / Testudines n.a. / n.a. n.a. / Trionychidae Trionychinae / Trionyx
Age: Distribution:	Late Cretaceous-Recent North America, Europe, Asia
Depicted on: Chad, 2021 (position 1 of sheet, fossil) Djibouti, 2023 (position 4 of sheet, fossil) Togo, 2022 (M.S. 1, fossil)