• Ovulum G. B. Sowerby I, 1828 accepted as Ovula Bruguière, 1789 [Phylum: Mollusca]
• Ovulum T.V. Jankauskas, 1975 † [Phylum: Acritarcha]
• Ovulum acuminatum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Simnialena acuminata (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum adriaticum G.B. Sowerby I, 1828 accepted as Pseudosimnia adriatica (G.B. Sowerby I, 1828)
• Ovulum aequalis G.B. Sowerby II, 1832 accepted as Neosimnia avena (G.B. Sowerby II, 1832)
• Ovulum alabaster Reeve, 1865 accepted as Diminovula alabaster (Reeve, 1865)
• Ovulum album Dufo, 1840 accepted as Procalpurnus lacteus (Lamarck, 1810)
• Ovulum angasi Reeve, 1865 accepted as Pellasimnia angasi (Reeve, 1865)
• Ovulum apertum G.B. Sowerby II, 1849 accepted as Simnia aperta (G.B. Sowerby II, 1849)
• Ovulum arcuatum Reeve, 1865 accepted as Neosimnia arcuata (Reeve, 1865) accepted as Simnia arcuata (Reeve, 1865)
• Ovulum aurantium G.B. Sowerby III, 1889 accepted as Phenacovolva aurantia (Sowerby III, 1889)
• Ovulum avena G.B. Sowerby II, 1832 accepted as Neosimnia avena (G.B. Sowerby II, 1832)
• Ovulum breve G.B. Sowerby I, 1828 accepted as Prionovolva brevis (G.B. Sowerby I, 1828)
• Ovulum bullatum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Carpiscula bullata (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum californicum Reeve, 1865 accepted as Simnialena rufa (G.B. Sowerby II, 1832)
• Ovulum coarctatum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Hiatavolva coarctata (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum corrugatum Hinds, 1844 accepted as Eratoena corrugata (Hinds, 1844)
• Ovulum deflexum G.B. Sowerby II, 1848 accepted as Naviculavolva deflexa (G.B. Sowerby II, 1848)
• Ovulum dentatum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Prosimnia renovata Iredale, 1930
• Ovulum depressum G.B. Sowerby III, 1875 accepted as Hiatavolva depressa (G.B. Sowerby III, 1889)
• Ovulum dorsuosum Hinds, 1844 accepted as Dentiovula dorsuosa (Hinds, 1844)
• Ovulum emarginatum G.B. Sowerby I, 1830 accepted as Cyphoma emarginata (G.B. Sowerby I, 1830) accepted as Cyphoma emarginatum (G.B. Sowerby I, 1830)
• Ovulum formosum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Cuspivolva formosa (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum fornicarium Keep, 1887 accepted as Neosimnia loebbeckeana (Weinkauff, 1881)
• Ovulum fruticum Reeve, 1865 accepted as Prionovolva brevis (G.B. Sowerby I, 1828)
• Ovulum gallinaceum Hinds, 1844 accepted as Alaerato gallinacea (Hinds, 1844)
• Ovulum gallinaceum Reeve, 1860 accepted as Ovula ovum (Linnaeus, 1758)
• Ovulum gracilis G.B. Sowerby II in A. Adams & Reeve, 1848 accepted as Phenacovolva subreflexa (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum haynesi G.B. Sowerby III, 1889 accepted as Pellasimnia angasi (Reeve, 1865)
• Ovulum hordaceum G.B. Sowerby I, 1830 accepted as Prosimnia semperi (Weinkauff, 1881)
• Ovulum inflexum G.B. Sowerby II, 1832 accepted as Simnialena rufa (G.B. Sowerby II, 1832)
• Ovulum intermedium G.B. Sowerby I, 1828 accepted as Cyphoma intermedium (G.B. Sowerby I, 1828)
• Ovulum lanceolatum G.B. Sowerby II, 1848 accepted as Aclyvolva lanceolata (G.B. Sowerby II, 1848)
• Ovulum lividum Reeve, 1865 accepted as Neosimnia avena (G.B. Sowerby II, 1832)
• Ovulum longirostratum G.B. Sowerby II, 1828 accepted as Calcarovula longirostrata (Sowerby I, 1828)
• Ovulum margarita G.B. Sowerby I, 1828 accepted as Diminovula margarita (G.B. Sowerby I, 1828)
• Ovulum marginatum G.B. Sowerby I, 1828 accepted as Margovula marginata (G.B. Sowerby I, 1828)
• Ovulum neglectum Reeve, 1865 accepted as Neosimnia arcuata (Reeve, 1865) accepted as Simnia arcuata (Reeve, 1865)
• Ovulum nubeculatum G.B. Sowerby II in A. Adams & Reeve, 1848 accepted as Prionovolva brevis (G.B. Sowerby I, 1828)
• Ovulum obtusum G.B. Sowerby I, 1828 accepted as Neosimnia spelta (Linnaeus, 1758)
• Ovulum pyriformis G.B. Sowerby I, 1828 accepted as Margovula pyriformis (G.B. Sowerby I, 1828)
• Ovulum recurvum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Phenacovolva recurva (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum rufum G.B. Sowerby II, 1832 accepted as Simnialena rufa (G.B. Sowerby II, 1832)
• Ovulum secale G.B. Sowerby I, 1828 accepted as Neosimnia spelta (Linnaeus, 1758)
• Ovulum simile G.B. Sowerby II, 1848 accepted as Neosimnia avena (G.B. Sowerby II, 1832)
• Ovulum sinensis G.B. Sowerby III, 1874 accepted as Margovula marginata (G.B. Sowerby I, 1828)
• Ovulum spelta G.B. Sowerby II, 1848 accepted as Phenacovolva brevirostris (Schumacher, 1817)
• Ovulum speltum G.B. Sowerby II, 1848 accepted as Phenacovolva brevirostris (Schumacher, 1817)
• Ovulum striatulum G.B. Sowerby I, 1828 accepted as Crenavolva striatula (G.B. Sowerby I, 1828)
• Ovulum subreflexum G.B. Sowerby II in Adams & Reeve, 1848 accepted as Phenacovolva subreflexa (G.B. Sowerby II in A. Adams & Reeve, 1848)
• Ovulum subrostratum G.B. Sowerby II, 1849 accepted as Cyphoma uniplicata (G.B. Sowerby II, 1849)
• Ovulum uniplicatum G.B. Sowerby II, 1849 accepted as Cyphoma uniplicata (G.B. Sowerby II, 1849)
• Ovulum variabile Reeve, 1865 accepted as Simnialena rufa (G.B. Sowerby II, 1832)
• Ovulum vidleri G.B. Sowerby III, 1881 accepted as Neosimnia arcuata (Reeve, 1865) accepted as Simnia arcuata (Reeve, 1865)
• Ovulum volva G.B. Sowerby, I, 1830 accepted as Volva habei Oyama, 1961