Species:
Cryptophysema vesicula >
Genus:
Cryptophysema >
Subfamily:
Pegophyseminae >
Family:
Lucinidae >
Superfamily:
Lucinoidea >
Order:
Lucinida >
Superorder:
Imparidentia >
Subterclass:
Euheterodonta >
Infraclass:
Heteroconchia >
Subclass:
Autobranchia >
Class:
Bivalvia >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >