Genus PACHYDISCUS
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Mollusca Cephalopoda / Ammonoidea / n.a. n.a. / n.a. / Ammonitida Ammonitina / n.a. Desmoceratoidea / Pachydiscidae n.a. / Pachydiscus
Age: Distribution:	Late Cretaceous Global
Parapachydiscus is a subgenus of Pachydiscus. Depicted on: Niger, 2023 (position 3 of sheet, fossil)