Genus HARPOCERAS
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. Hildoceratoidea / Hildoceratidae Harpoceratinae / Harpoceras
Age: Distribution:	Early Jurassic Global
Depicted on: Central African Republic, 2020 (M.S., fossil)