-
-
Eumetazoa (metazoans)
-
Bilateria (bilaterally symmetrical animals)
-
Protostomia (protostomes)
-
-
-
Mollusca (clams, snails, squids, and relatives)
-
Class Gastropoda
-
Order Neotaenioglossa
-
Family Ovulidae
-
Genus Aperiovula
-
Genus Cymbovula
-
Genus Cyphoma
-
Genus Delonovolva
-
Genus Neosimnia
-
Genus Ovula
-
Genus Pedicularia
-
Genus Phenacovolva
-
Genus Primovula
-
Genus Pseudocyphoma
-
Genus Pseudosimnia
-
Genus Simnia
-
Genus Simnialena
-
Genus Spiculata
-
Genus Subsimnia
-
Genus Volva
-
-
-
-
-
-
-
-
-
-