Species:
Sphenoceramus cardissoides >
Genus:
Sphenoceramus >
Family:
Inoceramidae >
Superfamily:
Inoceramoidea >
Order:
Myalinida >
Infraclass:
Pteriomorphia >
Subclass:
Autobranchia >
Class:
Bivalvia >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >