Catopygus

Catopygus Temporal range: 112.6–55.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Catopygus laevis
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Superorder:	Neognathostomata
Family:	Nucleolitidae
Genus:	†Catopygus
Species
†Catopygus aequalis †Catopygus rodriguezi

Catopygus is an extinct genus of sea urchins in the family Nucleolitidae.