Genus PACHYDESMOCERAS
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 / Desmoceratidae Puzosiinae / Pachydesmoceras
Age: Distribution:	Late Cretaceous Europe, Africa, Asia
Depicted on: Japan, 1992 (62 Y.,)