| Nominal Species (n = 117) | Present allocation (n = 90) | Ref. |
|---|---|---|
| Aperiovula abbotti Cate, 1973 | Aperiovula abbotti | 19 |
| Ovula acicularis Lamarck, 1811 | Simnia acicularis | 83435 |
| Spiculata advena Cate, 1978 | Spiculata advena | 19 |
| Delonovolva aequalis Sowerby, 1832 | Delonovolva aequalis | 19 |
| Simnia aequalis Sowerby, 1832 | Simnia aequalis | 19 |
| Cyphoma alleneae Cate, 1973 | Cyphoma alleneae | 19 |
| Aperiovula allynsmithi Cate, 1978 | Cuspivolva allynsmithi | 3477 |
| Diminovula anulata Fehse, 2001 | Diminovula anulata | 86518 |
| Primovula astra Omi & Iino, 2005 | Primovula astra | 3477 |
| Amphiperas aureocinctum Dall, 1889 | Cyphoma aureocinctum | 83435 |
| Primovula aureola Fehse, 2002 | Primovula aureola | 86518 |
| Phenacovolva bartschi Cate, 1973 | Cyphoma bartschi | 83435 |
| Neosimnia bellamaris Berry, 1946 | Neosimnia bellamaris | 19 |
| Spiculata bijuri Cate, 1976 | Neosimnia bijuri | 83435 |
| Prosimnia boshuensis Cate, 1973 | Prosimnia boshuensis | 86518 |
| Volva brevirostris tomlini Cate, 1973 | Phenacovolva dancei | 3477 |
| Carpiscula bullata Sowerby, 1848 | Carpiscula bullata | 86518 |
| Ovulum bullatum Adams & Reeve, 1848 | Carpiscula bullata | 3477 |
| Pedicularia californica Newcomb, 1864 | Pedicularia californica | 19 |
| Phenacovolva carneopicta Rehder & Wilson, 1975 | Phenacovolva lahainaensis | 3477 |
| Margovula changi Ma Xiu-Tong, 1997 | Diminovula margarita | 3477 |
| Crenavolva chinensis Qi & Ma, 1983 | Cuspivolva allynsmithi | 3477 |
| Galera choshiensis Cate, 1973 | Habuprionovolva choshiensis | 3477 |
| Habuprionovolva choshiensis Cate, 1973 | Habuprionovolva choshiensis | 86518 |
| Ovula costella Lamarck, 1810 | Ovula costella | 821 |
| Ovula costellata Lamarck, 1810 | Ovula costellata | 337 |
| Inflatovula culmen Cate, 1973 | Diminovula culmen | 86518 |
| Cuspivolva cuspis Cate, 1973 | Cuspivolva cuspis | 86518 |
| Phenacovolva dancei Cate, 1973 | Phenacovolva dancei | 75835 |
| Primovula dautzenbergi Schilder, 1931 | Diminovula dautzenbergi | 3477 |
| Pedicularia decussata Gould, 1855 | Pedicularia decussata | 19 |
| Ovula dentata Angas, 1887 | Crenavolva traillii | 3477 |
| Dissona dolabra Cate, 1974 | Dissona tosaensis | 3477 |
| Prosimnia draconis Cate, 1973 | Prosimnia draconis | 86518 |
| Adamantia dubia Cate, 1973 | Primovula fulguris | 86518 |
| Primovula dubia Cate, 1973 | Primovula fulguris | 3477 |
| Dentiovula eizoi Cate & Azuma, 1973 | Dentiovula eizoi | 86518 |
| Primovula formosa sensu Schilder, 1941 | Crenavolva traillii | 3477 |
| Ovulum formosum Sowerby II, 1848 | Primovula formosa | 3477 |
| Ovulum formosum Adams & Reeve, 1848 | Primovula formosa | 3477 |
| Pseudosimnia fulguris Azuma & Cate, 1971 | Primovula fulguris | 3477 |
| Pseudocyphoma gibbulum Cate, 1978 | Pseudocyphoma gibbulum | 19 |
| Pseudocyphoma gibsonsmithorum Petuch, 1987 | Pseudocyphoma gibsonsmithorum | 83435 |
| Pellasimnia hasta Cate, 1973 | Pellasimnia hasta | 86518 |
| Ovula hirasei Pilsbry, 1913 | Quasisimnia hirasei | 86518 |
| Rotaovula hirohitoi Cate & Azuma, 1973 | Rotaovula hirohitoi | 86518 |
| Radius honkakujiana Kuroda, 1928 | Takasagovolva honkakujiana | 3477 |
| Calcarovula ildiko Lorenz, 2006 | Calcarovula ildiko | 3477 |
| Phenacovolva ildiko Lorenz, 2006 | Calcarovula ildiko | 86518 |
| Neosimnia illyrica Schilder, 1927 | Simnia spelta | 1056 |
| Testudovolva intricata Cate, 1973 | Testudovolva intricata | 86518 |
| Ovula ishibasii Kuroda, 1728 | Ovula ishibasii | 86518 |
| Amphiperas isibasii Kuroda, 1728 | Ovula ishibasii | 3477 |
| Aperiovula jaenae Cate, 1973 | Pseudosimnia jaenae | 86518 |
| Aperiovula jeanae Cate, 1973 | Aperiovula jeanae | 86518 |
| Crenavolva leopardus Fehse, 2002 | Crenavolva leopardus | 86518 |
| Cyphoma lindae Petuch, 1987 | Cyphoma lindae | 19 |
| Phenacovolva lindae Petuch, 1987 | Cyphoma lindae | 83435 |
| Ovulum longirostratum Sowerby, 1828 | Calcarovula longirostrata | 3477 |
| Cyphoma macumba Petuch, 1979 | Cyphoma macumba | 83435 |
| Simnialena marferula Cate, 1973 | Simnialena marferula | 19 |
| Ovulum margarita Sowerby, 1828 | Diminovula margarita | 3477 |
| Dentiovula masaoi Cate, 1973 | Dentiovula masaoi | 821 |
| Cyphoma mcgintyi Pilsbry, 1939 | Cyphoma mcgintyi | 19 |
| Spiculata michaelkingi Cate, 1973 | Phenacovolva lahainaensis | 3477 |
| Phenacovolva mikado Kurohara & Habe, 1991 | Calcarovula mikado | 86518 |
| Simnia nicaeensis Risso, 1826 | Simnia spelta | 1056 |
| Prionovolva nivea Cate, 1974 | Prionovolva nivea | 86518 |
| Dentiovula nix Fehse, 2022 | Dentiovula nix | 3477 |
| Phenacovolva parvita Cate & Azuma, 1973 | Phenacovolva parvita | 86518 |
| Pseudosimnia perilla Cate, 1973 | Diminovula dautzenbergi | 3477 |
| Crenavolva periopsis Cate, 1978 | Crenavolva periopsis | 86518 |
| Amphiperas piragua Dall, 1889 | Phenacovolva piragua | 83435 |
| Cuspivolva platysia (Cate, 1973) | Cuspivolva platysia | 3477 |
| Primovula platysia Cate, 1973 | Cuspivolva platysia | 3477 |
| Phenacovolva poppei Fehse, 2000 | Phenacovolva poppei | 86518 |
| Phenacovolva pseudogracilis Cate & Azuma, 1973 | Phenacovolva pseudogracilis | 86518 |
| Pseudosimnia pyrifera Cate, 1973 | Pseudosimnia pyrifera | 19 |
| Cyphoma rhomba Cate, 1978 | Cyphoma rhomba | 19 |
| Cyphoma roamoralesi Macsotay & Campos, 2001 | Cyphoma roamoralesi | 83435 |
| Aperiovula robertsoni Cate, 1973 | Quasisimnia robertsoni | 86518 |
| Crenavolva rosewateri Cate, 1973 | Crenavolva rosewateri | 821 |
| Hiata rugosa Cate & Azuma, 1973 | Hiatavolva rugosa | 3477 |
| Hiatavolva rugosa Cate & Azuma, 1973 | Hiatavolva rugosa | 86518 |
| Dentiovula saturnalia Cate & Azuma, 1973 | Dentiovula colobica | 3477 |
| Cyphoma sedlaki Cate, 1976 | Cyphoma sedlaki | 19 |
| Kuroshiovolva shingoi Azuma & Cate, 1971 | Kuroshiovolva shingoi | 86518 |
| Cyphoma signatum Pilsbry & McGinty, 1939 | Cyphoma signatum | 19 |
| Primovula solemi Cate, 1973 | Primovula solemi | 19 |
| Bulla spelta Linnaeus, 1758 | Simnia spelta | 83435 |
| Neosimnia spelta Linnaeus, 1758 | Simnia spelta | 19 |
| Pseudosimnia sphoni Cate, 1973 | Pseudosimnia sphoni | 19 |
| Inflatovula stigma Cate, 1978 | Diminovula stigma | 86518 |
| Ovulum striatulum Sowerby I, 1828 | Crenavolva striatula | 3477 |
| Pseudosimnia striola Cate, 1973 | Diminovula dautzenbergi | 3477 |
| Dentiovula takeoi Cate & Azuma, 1973 | Crenavolva striatula | 3477 |
| Pedicularia tibia Simone, 2005 | Pedicularia tibia | 83435 |
| Margovula tinctilis Cate, 1973 | Margovula tinctilis | 86518 |
| Neosimnia tinctura Garrard, 1963 | Crenavolva tinctura | 3477 |
| Phenacovolva tokioi Cate, 1973 | Phenacovolva tokioi | 821 |
| Crenavolva tokuoi Azuma, 1989 | Crenavolva tokuoi | 86518 |
| Primovula tosaensis Azuma & Cate, 1971 | Dissona tosaensis | 3477 |
| Crenavolva traillii hesperia Cate, 1973 | Crenavolva traillii | 3477 |
| Ovula umbilicata Sowerby, 1848 | Diminovula margarita | 3477 |
| Ovulum uniplicata Sowerby II, 1849 | Simnialena uniplicata | 83435 |
| Simnia uniplicata Sowerby, 1848 | Simnia uniplicata | 19 |
| Primovula vanhyningi Smith, 1940 | Pseudosimnia vanhyningi | 83435 |
| Cyphoma versicolor Fehse, 2003 | Cyphoma versicolor | 83435 |
| Calcarovula virgo Azuma, 1974 | Calcarovula longirostrata | 3477 |
| Phenacovolva vitrea Omi & Iino, 2005 | Phenacovolva vitrea | 3477 |
| Bulla volva Linnaeus, 1758 | Volva volva | 83435 |
| Volva volva Linnaeus, 1758 | Volva volva | 19 |
| Phenacovolva wakayamaensis Cate & Azuma, 1973 | Phenacovolva wakayamaensis | 821 |
| Phenacovolva weaveri Cate, 1973 | Phenacovolva lahainaensis | 3477 |
| Pseudosimnia whitworthi Cate, 1973 | Pseudosimnia whitworthi | 821 |
| Prionovolva wilsoniana Cate, 1973 | Prionovolva wilsoniana | 86518 |
| Phenacocolva yoshioi Azuma, 1971 | Calcarovula gracillima | 3477 |