Genus PTEROTRIGONIA
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Mollusca Bivalvia / Palaeoheterodonta / n.a. n.a. / n.a. / Trigonioida Trigoniina / n.a. Myophorelloidea / Megatrigoniidae Pterotrigoniinae / Pterotrigonia
Age: Distribution:	Late Jurassic-Late Cretaceous Global
Depicted on: Djibouti, 2023 (M.S. 2)