Genus HYSTEROCERAS
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 Ancyloceratida / n.a. Deshayesitoidea / Brancoceratidae Brancoceratinae / Hysteroceras
Age: Distribution:	Late Early Cretaceous Global
Depicted on: Liechtenstein, 2004 (1.20 Fr., fossil H. crassicostatum)