Verco, 1935 not G. B. Sowerby II, 1848: synonym of Cuspivolva platysia (C. N. Cate, 1973) Ovula haliotidea Blainville, 1825: synonym of Pseudosimnia adriatica (G. B. Sowerby I, 1828) (synonym) Ovula hervieri Hedley, 1899: synonym of Habuprionovolva hervieri (Hedley, 1899) (original combination) Ovula hirasei Pilsbry, 1913: synonym of Quasisimnia hirasei (Pilsbry, 1913) Ovula hordacea Kiener, 1843: synonym of Neosimnia avena (G. B. Sowerby I, 1833): synonym of Simnia avena (G. B. Sowerby I, 1833) Ovula inflexa (G. B. Sowerby I, 1832): synonym of Simnialena rufa (G. B. Sowerby I, 1833) Ovula insculpta Odhner, 1919: synonym of Phenacovolva insculpta (Odhner, 1919) Ovula intermedia sensu Tryon, 1885 not G. B. Sowerby I, 1828: synonym of Simnia spelta (Linnaeus, 1758) (synonym) Ovula ishibashii auctt.: synonym of Ovula isibasii (Kuroda, 1929) (unjustified emendation) Ovula lactea Lamarck, 1810: synonym of Procalpurnus lacteus (Lamarck, 1810) (original combination) Ovula lactea sensu Tryon, 1885 not Lamarck, 1810: synonym of Diminovula alabaster (Reeve, 1865) Ovula loebbeckeana Weinkauff, 1881: synonym of Simnia loebbeckeana (Weinkauff, 1881) (original combination) Ovula lutea Pallary, 1900: synonym of Neosimnia spelta (Linnaeus, 1758): synonym of Simnia spelta (Linnaeus, 1758) Ovula margarita sensu A. Adams, 1854 not G. B. Sowerby I, 1828: synonym of Diminovula concinna (G. B. Sowerby II, 1848) Ovula nigerina Dufo, 1840: synonym of Crenavolva striatula (G. B. Sowerby I, 1828) Ovula nipponensis Pilsbry, 1913: synonym of Testudovolva nipponensis (Pilsbry, 1913) Ovula obsoleta Locard, 1891: synonym of Simnia spelta (Linnaeus, 1758) (synonym) Ovula oviformis Lamarck, 1801: synonym of Ovula ovum (Linnaeus, 1758) Ovula papyracea Fischer von Waldheim, 1807: synonym of Ovula ovum (Linnaeus, 1758) Ovula pennantiana Leach, 1847: synonym of Simnia patula (Pennant, 1777) Ovula perla Röding, 1798: synonym of Calpurnus verrucosus (Linnaeus, 1758) (synonym) Ovula pharetra Perry, 1811: synonym of Cyphoma gibbosum (Linnaeus, 1758) Ovula philippinarum sensu Tryon, 1885 not G. B. Sowerby II, 1849: synonym of Phenacovolva rosea (A. Adams, 1855) Ovula pudica sensu Tryon, 1885 not A. Adams, 1855: synonym of Diminovula caledonica (Crosse, 1871) Ovula punctata Duclos, 1828: synonym of Diminovula punctata (Duclos, 1828) (original combination) Ovula pygmaea G. B. Sowerby I, 1828: synonym of Ovula ovum (Linnaeus, 1758) Ovula rhodia (A. Adams, 1854): synonym of Sandalia triticea (Lamarck, 1810) Ovula rosea Pallary, 1900: synonym of Neosimnia spelta (Linnaeus, 1758): synonym of Simnia spelta (Linnaeus, 1758) Ovula rosea Rossiter, 1883: synonym of Aclyvolva lanceolata (G. B. Sowerby II, 1849) Ovula roseocarnea Bucquoy, Dautzenberg & Dollfus, 1883: synonym of Neosimnia spelta