• Cymatium Röding, 1798
• Cymatium (Cabestana) Röding, 1798 accepted as Cabestana Röding, 1798
• Cymatium (Cabestana) durbanensis (E. A. Smith, 1899) represented as Cymatium durbanensis (E. A. Smith, 1899) accepted as Monoplex durbanensis (E. A. Smith, 1899)
• Cymatium (Cabestana) labiosum (W. Wood, 1828) accepted as Turritriton labiosus (W. Wood, 1828)
• Cymatium (Cabestana) parthenopius (Salis Marschlins, 1793) accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Cabestana) parthenopius var. robusta Belletante, 1954 accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Cymatium) Röding, 1798 accepted as Cymatium Röding, 1798
• Cymatium (Cymatriton) Clench & R. D. Turner, 1957 accepted as Monoplex Perry, 1810
• Cymatium (Cymatriton) rickardi Ladd, 1977 † accepted as Nassaria rickardi (Ladd, 1977)
• Cymatium (Gutturnium) Mörch, 1852 accepted as Gutturnium Mörch, 1852
• Cymatium (Gutturnium) amictoideum Keen, 1971 accepted as Monoplex amictus (Reeve, 1844)
• Cymatium (Gutturnium) bayeri van Regteren Altena, 1942 † accepted as Reticutriton pfeifferianus (Reeve, 1844)
• Cymatium (Linatella) Gray, 1857 accepted as Linatella Gray, 1857
• Cymatium (Linatella) cingulatum (Lamarck, 1822) accepted as Linatella caudata (Gmelin, 1791)
• Cymatium (Linatella) cingulatum peninsulum M. Smith, 1937 accepted as Linatella caudata (Gmelin, 1791)
• Cymatium (Linatella) floridanum Mansfield, 1930 † accepted as Linatella caudata (Gmelin, 1791)
• Cymatium (Linatella) krenkeli L. R. Cox, 1930 † accepted as Linatella caudata (Gmelin, 1791)
• Cymatium (Linatella) succinctum (Linnaeus, 1771) accepted as Linatella succincta (Linnaeus, 1771) accepted as Gelagna succincta (Linnaeus, 1771)
• Cymatium (Linatella) tranquebaricum (Lamarck, 1823) accepted as Monoplex tranquebaricus (Lamarck, 1816)
• Cymatium (Linatella) valentinei Olsson & Petit, 1964 † accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Lotoria) W. K. Emerson & Old, 1963 accepted as Lotoria W. K. Emerson & Old, 1963
• Cymatium (Lotoria) lotorium (Linnaeus, 1758) accepted as Lotoria lotoria (Linnaeus, 1758)
• Cymatium (Lotoria) perryi W. K. Emerson & Old, 1963 accepted as Lotoria triangularis (Perry, 1811)
• Cymatium (Monoplex) Perry, 1810 accepted as Monoplex Perry, 1810
• Cymatium (Monoplex) aquatile (Reeve, 1844) accepted as Monoplex aquatilis (Reeve, 1844)
• Cymatium (Monoplex) cercadicum (Maury, 1917) † accepted as Monoplex cercadicus (Maury, 1917) †
• Cymatium (Monoplex) comptum (A. Adams, 1855) accepted as Monoplex comptus (A. Adams, 1855)
• Cymatium (Monoplex) comptum amphiatlanticum Garcia-Talavera & de Vera, 2003 accepted as Monoplex comptus (A. Adams, 1855)
• Cymatium (Monoplex) corrugatum Lamarck, 1816 accepted as Monoplex corrugatus (Lamarck, 1816)
• Cymatium (Monoplex) corrugatum amictum (Reeve, 1844) accepted as Monoplex amictus (Reeve, 1844)
• Cymatium (Monoplex) corrugatum krebsii (Mörch, 1877) accepted as Monoplex krebsii (Mörch, 1877)
• Cymatium (Monoplex) echo Kuroda & Habe, 1959 accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Monoplex) echo iwakawanum Kuroda & Kira, 1964 accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Monoplex) exaratum (Reeve, 1844) accepted as Monoplex exaratus (Reeve, 1844)
• Cymatium (Monoplex) intermedium (Pease, 1869) accepted as Monoplex intermedius (Pease, 1869)
• Cymatium (Monoplex) macrodon (Valenciennes, 1832) accepted as Monoplex macrodon (Valenciennes, 1832)
• Cymatium (Monoplex) martinianum (d'Orbigny, 1846) accepted as Monoplex pilearis (Linnaeus, 1758)
• Cymatium (Monoplex) norai García-Talavera & de Vera, 2004 accepted as Monoplex norai (García-Talavera & de Vera, 2004)
• Cymatium (Monoplex) parthenopeum (Salis Marschlins, 1793) accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Monoplex) parthenopeum keenae (Beu, 1970) accepted as Monoplex keenae (Beu, 1970)
• Cymatium (Monoplex) penniketi Beu, 1998 accepted as Monoplex penniketi (Beu, 1998)
• Cymatium (Monoplex) pileare (Linnaeus, 1758) accepted as Monoplex pilearis (Linnaeus, 1758)
• Cymatium (Monoplex) pileare (Linnaeus, 1758) sensu Dall, 1909 accepted as Monoplex macrodon (Valenciennes, 1832)
• Cymatium (Monoplex) pileare orientalis Garcia-Talavera, 1987 accepted as Monoplex pilearis (Linnaeus, 1758)
• Cymatium (Monoplex) rembangense (Wanner & Hahn, 1935) † accepted as Monoplex rembangensis (Wanner & Hahn, 1935) †
• Cymatium (Monoplex) tenuiliratum (Lischke, 1873) accepted as Turritriton tenuiliratus (Lischke, 1873)
• Cymatium (Monoplex) thersites (Reeve, 1844) accepted as Monoplex thersites (Reeve, 1844)
• Cymatium (Monoplex) vespaceum (Lamarck, 1822) accepted as Monoplex vespaceus (Lamarck, 1822)
• Cymatium (Ranularia) Schumacher, 1817 accepted as Ranularia Schumacher, 1817
• Cymatium (Ranularia) andamanensis Beu, 1987 accepted as Ranularia andamanensis (Beu, 1987)
• Cymatium (Ranularia) armatum (G. B. Sowerby III, 1897) accepted as Lotoria armata (G. B. Sowerby III, 1897)
• Cymatium (Ranularia) boschi Abbott & H. Lewis, 1970 accepted as Ranularia boschi (Abbott & H. Lewis, 1970)
• Cymatium (Ranularia) caribbaeum Clench & R. D. Turner, 1957 accepted as Ranularia cynocephala (Lamarck, 1816)
• Cymatium (Ranularia) cynocephalum (Lamarck, 1816) accepted as Ranularia cynocephala (Lamarck, 1816)
• Cymatium (Ranularia) dunkeri (Lischke, 1868) accepted as Ranularia dunkeri (Lischke, 1868)
• Cymatium (Ranularia) encausticum (Reeve, 1844) accepted as Ranularia encaustica (Reeve, 1844)
• Cymatium (Ranularia) exile (Reeve, 1844) accepted as Ranularia exilis (Reeve, 1844)
• Cymatium (Ranularia) fortespirale Parth, 1993 accepted as Ranularia pyrulum (A. Adams & Reeve, 1850)
• Cymatium (Ranularia) gutturnia (Röding, 1798) accepted as Ranularia gutturnia (Röding, 1798)
• Cymatium (Ranularia) kugleri Rutsch, 1942 † accepted as Monoplex lignarius (Broderip, 1833)
• Cymatium (Ranularia) mohorterae A. H. Verrill, 1952 accepted as Ranularia gallinago (Reeve, 1844)
• Cymatium (Ranularia) moniliferum (A. Adams & Reeve, 1850) accepted as Ranularia monilifera (A. Adams & Reeve, 1850)
• Cymatium (Ranularia) parthi Arthur, 1991 accepted as Ranularia parthi (Arthur, 1991)
• Cymatium (Ranularia) pyrulum (A. Adams & Reeve, 1850) accepted as Ranularia pyrulum (A. Adams & Reeve, 1850)
• Cymatium (Ranularia) sarcostomum (Reeve, 1844) sensu Clench & R. D. Turner, 1957 accepted as Ranularia cynocephala (Lamarck, 1816)
• Cymatium (Ranularia) sinense (Reeve, 1844) accepted as Ranularia sinensis (Reeve, 1844)
• Cymatium (Ranularia) sinense arthuri Beu, 1987 accepted as Ranularia arthuri (Beu, 1987)
• Cymatium (Ranularia) sinense sinense (Reeve, 1844) accepted as Ranularia sinensis (Reeve, 1844)
• Cymatium (Ranularia) springsteeni Beu, 1987 accepted as Ranularia springsteeni (Beu, 1987)
• Cymatium (Ranularia) testudinarium (A. Adams & Reeve, 1850) accepted as Ranularia testudinaria (A. Adams & Reeve, 1850)
• Cymatium (Ranularia) testudinarium rehderi A. H. Verrill, 1950 accepted as Ranularia rehderi (A. H. Verrill, 1950)
• Cymatium (Reticutriton) Habe & Kosuge, 1966 accepted as Reticutriton Habe & Kosuge, 1966
• Cymatium (Septa) Perry, 1810 accepted as Septa Perry, 1810
• Cymatium (Septa) beui Garcia-Talavera, 1985 accepted as Septa beui (Garcia-Talavera, 1985)
• Cymatium (Septa) bibbeyi Beu, 1987 accepted as Septa bibbeyi (Beu, 1987)
• Cymatium (Septa) closeli Beu, 1987 accepted as Septa closeli (Beu, 1987)
• Cymatium (Septa) dharmai Beu, 2005 † accepted as Septa dharmai (Beu, 2005) †
• Cymatium (Septa) flaveolum (Röding, 1798) accepted as Septa flaveola (Röding, 1798)
• Cymatium (Septa) hepaticum (Röding, 1798) accepted as Septa hepatica (Röding, 1798)
• Cymatium (Septa) kobelti (Maltzan, 1884) accepted as Turritriton kobelti (Maltzan, 1884)
• Cymatium (Septa) marerubrum Garcia-Talavera, 1985 accepted as Septa marerubrum (Garcia-Talavera, 1985)
• Cymatium (Septa) mixtum Arthur & Garcia-Talavera, 1990 accepted as Septa mixta (Arthur & Garcia-Talavera, 1990)
• Cymatium (Septa) occidentale (Mörch, 1877) accepted as Septa occidentalis (Mörch, 1877)
• Cymatium (Septa) ogygium Woodring, 1959 † accepted as Septa ogygia (Woodring, 1959) †
• Cymatium (Septa) parthenopeum (Salis Marschlins, 1793) accepted as Monoplex parthenopeus (Salis Marschlins, 1793)
• Cymatium (Septa) peasei Beu, 1987 accepted as Septa peasei (Beu, 1987)
• Cymatium (Septa) pileare (Linnaeus, 1758) accepted as Monoplex pilearis (Linnaeus, 1758)
• Cymatium (Septa) pileare henicum Woodring, 1959 † accepted as Monoplex krebsii (Mörch, 1877)
• Cymatium (Septa) pileare martinianum (d'Orbigny, 1847) accepted as Monoplex martinianus (d'Orbigny, 1847) accepted as Monoplex pilearis (Linnaeus, 1758)
• Cymatium (Septa) rubeculum (Linnaeus, 1758) accepted as Septa rubecula (Linnaeus, 1758)
• Cymatium (Septa) rubeculum marerubrum Garcia-Talavera, 1985 accepted as Septa marerubrum (Garcia-Talavera, 1985)
• Cymatium (Septa) rubeculum rubeculum (Linnaeus, 1758) accepted as Septa rubecula (Linnaeus, 1758)
• Cymatium (Septa) trigonum (Gmelin, 1791) accepted as Monoplex trigonus (Gmelin, 1791)
• Cymatium (Simpulum) Mörch, 1852 accepted as Simpulum Mörch, 1852 accepted as Septa Perry, 1810
• Cymatium (Simpulum) problematicum Dautzenberg & H. Fischer, 1906 accepted as Monoplex tranquebaricus (Lamarck, 1816)
• Cymatium (Turritriton) Dall, 1904 accepted as Turritriton Dall, 1904
• Cymatium (Turritriton) domingense (Gabb, 1873) † accepted as Turritriton domingensis (Gabb, 1873) †
• Cymatium (Turritriton) fittkaui Parth, 1991 accepted as Turritriton fittkaui (Parth, 1991)
• Cymatium (Turritriton) gibbosum (Broderip, 1833) accepted as Turritriton gibbosus (Broderip, 1833)
• Cymatium (Turritriton) gibbosum gomezi F. Nordsieck & García-Talavera, 1979 accepted as Turritriton kobelti (Maltzan, 1884)