(E.A. Smith, 1899): synonym of Monoplex durbanensis (E.A. Smith, 1899) Cymatium exaratum (Reeve, 1844): synonym of Monoplex exaratus (Reeve, 1844) Cymatium exaratum durbanense (E. A. Smith, 1899): synonym of Cymatium exaratum (Reeve, 1844) accepted as Monoplex exaratus (Reeve, 1844) Cymatium exile: synonym of Ranularia exilis (Reeve, 1844) Cymatium gallinago (Reeve, 1844): synonym of Ranularia gallinago (Reeve, 1844) Cymatium gemmatum Reeve: synonym of Monoplex gemmatus (Reeve, 1844) Cymatium gibbosum (Broderip, 1833): synonym of Turritriton gibbosus (Broderip, 1833) Cymatium grandimaculatum (Reeve, 1844): synonym of Lotoria grandimaculata (Reeve, 1844) Cymatium hepaticum (Röding, 1798): synonym of Septa hepatica (Röding, 1798) Cymatium kleinei (Sowerby III, 1889): synonym of Monoplex klenei (G.B. Sowerby III, 1889) Cymatium kobelti: synonym of Turritriton kobelti (Maltzan, 1884) Cymatium krebsii (Mörch, 1877) : synonym of Monoplex krebsii (Mörch, 1877) Cymatium labiosum (W. Wood, 1828) : synonym of Turritriton labiosus (Wood, 1828) Cymatium lotorium (Linnaeus, 1758): synonym of Lotoria lotoria (Linnaeus, 1758) Cymatium marerubrum: synonym of Septa marerubrum (Garcia-Talavera, 1985) Cymatium martinianum (d'Orbigny, 1847) : synonym of Monoplex martinianus (d'Orbigny, 1847) Cymatium moniliferum (Adams & Reeve, 1850): synonym of Ranularia monilifera (A. Adams & Reeve, 1850) Cymatium moritinctum (Reeve, 1844): synonym of Ranularia cynocephala (Lamarck, 1816) Cymatium mundum (Gould, 1849): synonym of Monoplex mundus (Gould, 1849) Cymatium muricinum (Röding, 1798) : synonym of Gutturnium muricinum (Röding, 1798) Cymatium nicobaricum (Röding, 1798) : synonym of Monoplex nicobaricus (Röding, 1798) Cymatium occidentale (Mörch, 1877) is a synonym of Septa occidentalis (Mörch, 1877) Cymatium olearium Linnaeus: synonym of Ranella olearium (Linnaeus, 1758) Cymatium (Septa) parthenopeum (von Salis, 1793) : synonym of Monoplex parthenopeus (Salis Marschlins, 1793) Cymatium (Monoplex) parthenopeum (Salis, 1793): synonym of Monoplex parthenopeus (Salis Marschlins, 1793) Cymatium penniketi Beu, 1998: synonym of Monoplex penniketi (Beu, 1998) Cymatium pharcidum (Dall, 1889): synonym of Turritriton tenuiliratus (Lischke, 1873) Cymatium pfeifferianum (Reeve, 1844): synonym of Reticutriton pfeifferianus (Reeve, 1844) Cymatium pileare (Linnaeus, 1758): synonym of Monoplex pilearis (Linnaeus, 1758) Cymatium pyrum (Linnaeus, 1758): synonym of Ranularia pyrum (Linnaeus, 1758) Cymatium rubeculum (Linnaeus, 1758): synonym of Septa rubecula (Linnaeus, 1758) Cymatium sarcostomum (Reeve, 1844): synonym of Ranularia sarcostoma (Reeve, 1844) Cymatium (Ranularia) sinense (Reeve, 1844): synonym of Ranularia sinensis (Reeve, 1844) Cymatium (Linatella) succinctum (Linnaeus, 1771): synonym of Linatella succincta (Linnaeus, 1771) Cymatium testudinarium (A. Adams & Reeve, 1850): synonym of Ranularia testudinaria (A. Adams & Reeve, 1850) Cymatium tranquebaricum (Lamarck, 1816): synonym of Monoplex tranquebaricus (Lamarck, 1816) Cymatium trigonum (Gmelin, 1791): synonym of Monoplex trigonus (Gmelin,