• Cyrena (Polymesoda) Rafinesque, 1820 accepted as Polymesoda Rafinesque, 1820
• Cyrena (Polymesoda) bravoensis Olsson, 1931 † accepted as Polymesoda bravoensis (Olsson, 1931) †
• Cyrena (Polymesoda) trigalensis Olsson, 1931 † accepted as Polymesoda trigalensis (Olsson, 1931) †
• Polymesoda Rafinesque, 1820
• Polymesoda (Egeta) H. Adams & A. Adams, 1858 represented as Polymesoda Rafinesque, 1820
• Polymesoda (Egeta) anomala (Deshayes, 1855) represented as Polymesoda anomala (Deshayes, 1855)
• Polymesoda (Egeta) inflata R. A. Philippi, 1851 represented as Polymesoda inflata (R. A. Philippi, 1851)
• Polymesoda (Egetaria) Mörch, 1861 represented as Polymesoda Rafinesque, 1820
• Polymesoda (Egetaria) mexicana (Broderip & G. B. Sowerby I, 1829) accepted as Polymesoda mexicana (Broderip & G. B. Sowerby I, 1829)
• Polymesoda (Egetaria) notabilis (Deshayes, 1855) represented as Polymesoda notabilis (Deshayes, 1855)
• Polymesoda (Egetaria) pullastra (Mörch, 1861) accepted as Polymesoda notabilis (Deshayes, 1855)
• Polymesoda (Geloina) J. E. Gray, 1842 accepted as Geloina J. E. Gray, 1842
• Polymesoda (Geloina) abbreviata (Deshayes, 1857) † accepted as Geloina abbreviata (Deshayes, 1857) †
• Polymesoda (Geloina) amygdalina (Deshayes, 1857) † accepted as Polymesoda amygdalina (Deshayes, 1857) †
• Polymesoda (Geloina) bengalensis (Lamarck, 1818) accepted as Geloina bengalensis (Lamarck, 1818)
• Polymesoda (Geloina) chevallieri (Cossmann, 1886) † accepted as Geloina chevallieri (Cossmann, 1886) †
• Polymesoda (Geloina) coaxans (Gmelin, 1791) accepted as Geloina coaxans (Gmelin, 1791)
• Polymesoda (Geloina) compressa (Deshayes, 1835) † accepted as Geloina compressa (Deshayes, 1835) †
• Polymesoda (Geloina) compressa rigaultii (Deshayes, 1857) † accepted as Geloina compressa rigaultii (Deshayes, 1857) †
• Polymesoda (Geloina) distincta (Deshayes, 1857) † accepted as Geloina distincta (Deshayes, 1857) †
• Polymesoda (Geloina) galatheae (Mörch, 1850) accepted as Geloina expansa (Mousson, 1849)
• Polymesoda (Geloina) hokkaidoensis Nagao & Ôtatume, 1943 † accepted as Geloina hokkaidoensis (Nagao & Ôtatume, 1943) †
• Polymesoda (Geloina) hokkaidoensis bibaiensis Nagao & Ôtatume, 1943 † accepted as Geloina bibaiensis (Nagao & Ôtatume, 1943) †
• Polymesoda (Geloina) incompta (Deshayes, 1857) † accepted as Geloina incompta (Deshayes, 1857) †
• Polymesoda (Geloina) lamberti (Deshayes, 1857) † accepted as Geloina lamberti (Deshayes, 1857) †
• Polymesoda (Geloina) loustauae (Mayer-Eymar, 1893) † accepted as Geloina loustauae (Mayer-Eymar, 1893) †
• Polymesoda (Geloina) lucinaeformis (de Laubrière & Carez, 1881) † accepted as Geloina lucinaeformes (de Laubrière & Carez, 1881) †
• Polymesoda (Geloina) lunulata (Deshayes, 1857) † accepted as Geloina lunulata (Deshayes, 1857) †
• Polymesoda (Geloina) nobilis (Deshayes, 1857) † accepted as Geloina nobilis (Deshayes, 1857) †
• Polymesoda (Geloina) proxima (Prime, 1864) accepted as Geloina coaxans (Gmelin, 1791)
• Polymesoda (Geloina) pulchra (J. De C. Sowerby, 1826) † accepted as Geloina pulchra (J. De C. Sowerby, 1826) †
• Polymesoda (Geloina) rutoti (Cossmann, 1908) † accepted as Geloina rutoti (Cossmann, 1908) †
• Polymesoda (Geloina) saincenyensis (Deshayes, 1857) † accepted as Geloina saincenyensis (Deshayes, 1857) †
• Polymesoda (Geloina) subincompta (Dufour, 1881) † accepted as Geloina subincompta (Dufour, 1881) †
• Polymesoda (Geloina) takaoi Nagao & Ôtatume, 1943 † accepted as Geloina takaoi (Nagao & Ôtatume, 1943) †
• Polymesoda (Geloina) tegalensis Oostingh, 1935 † accepted as Polymesoda tegalensis Oostingh, 1935 †
• Polymesoda (Geloina) tetragona (Deshayes, 1857) † accepted as Geloina tetragona (Deshayes, 1857) †
• Polymesoda (Isodoma) Deshayes, 1857 † accepted as Geloina J. E. Gray, 1842
• Polymesoda (Isodoma) triangularis (Dufour, 1881) † accepted as Geloina trapezoidalis (Dufour, 1881) †
• Polymesoda (Isodomella) T. Kobayashi & K. Suzuki, 1939 † accepted as Isodomella T. Kobayashi & K. Suzuki, 1939 †
• Polymesoda (Isodomella) elliptica (Yokoyama, 1904) † accepted as Yokoyamaina hayamii Keen & R. Casey, 1969 †
• Polymesoda (Isodomella) kobayashii Maeda, 1959 † accepted as Crenotrapezium kobayashii (Maeda, 1959) †
• Polymesoda (Isodomella) kweichouensis (Grabau, 1923) † accepted as Kija kweichouensis (Grabau, 1923) †
• Polymesoda (Isodomella) naumanni (Neumayr, 1890) † accepted as Hayamina naumanni (Neumayr, 1890) †
• Polymesoda (Isodomella) otsukai (Yabe & Nagao, 1926) † accepted as Costocyrena otsukai (Yabe & Nagao, 1926) †
• Polymesoda (Isodomella) shiroiensis (Yabe & Nagao, 1926) † accepted as Isodomella shiroiensis (Yabe & Nagao, 1926) †
• Polymesoda (Neocyrena) Crosse & P. Fischer, 1894 represented as Polymesoda Rafinesque, 1820
• Polymesoda (Neocyrena) acuta (Prime, 1861) accepted as Polymesoda neubaueri Coan & Valentich-Scott, 2022
• Polymesoda (Neocyrena) arctata (Deshayes, 1855) represented as Polymesoda arctata (Deshayes, 1855)
• Polymesoda (Neocyrena) exquisita (Prime, 1867) represented as Polymesoda exquisita (Prime, 1867)
• Polymesoda (Neocyrena) fontainei (A. d'Orbigny, 1846) represented as Polymesoda fontainei (A. d'Orbigny, 1846)
• Polymesoda (Neocyrena) fortis (Prime, 1861) represented as Polymesoda fortis (Prime, 1861)
• Polymesoda (Neocyrena) meridionalis (Prime, 1865) represented as Polymesoda meridionalis (Prime, 1865)
• Polymesoda (Neocyrena) ordinaria (Prime, 1865) represented as Polymesoda ordinaria (Prime, 1865)
• Polymesoda (Neocyrena) placens (Hanley, 1844) represented as Polymesoda placens (Hanley, 1845)
• Polymesoda (Neocyrena) radiata (Hanley, 1845) represented as Polymesoda radiata (Hanley, 1845)
• Polymesoda (Neocyrena) tribunalis (Prime, 1870) represented as Polymesoda tribunalis (Prime, 1870)
• Polymesoda (Paracorbicula) T. Kobayashi & K. Suzuki, 1939 † accepted as Tetoria (Paracorbicula) T. Kobayashi & K. Suzuki, 1939 † represented as Tetoria T. Kobayashi & K. Suzuki, 1937 †
• Polymesoda (Paracorbicula) sanchuensis (Yabe & Nagao, 1926) † accepted as Tetoria (Paracorbicula) sanchuensis (Yabe & Nagao, 1926) † represented as Tetoria sanchuensis (Yabe & Nagao, 1926) †
• Polymesoda (Polymesoda) Rafinesque, 1820 represented as Polymesoda Rafinesque, 1820
• Polymesoda (Polymesoda) aequilatera (Deshayes, 1855) represented as Polymesoda aequilatera (Deshayes, 1855)
• Polymesoda (Polymesoda) arctata (Deshayes, 1855) represented as Polymesoda arctata (Deshayes, 1855)
• Polymesoda (Polymesoda) caroliniana (Bosc, 1801) represented as Polymesoda caroliniana (Bosc, 1801)
• Polymesoda (Polymesoda) obscura (Prime, 1860) represented as Polymesoda obscura (Prime, 1860)
• Polymesoda (Polymesoda) triangula (von dem Busch, 1849) represented as Polymesoda triangula (von dem Busch, 1849)
• Polymesoda (Pseudocyrena) Bourguignat, 1854 accepted as Polymesoda Rafinesque, 1820
• Polymesoda (Pseudocyrena) convexa (Brongniart, 1822) † accepted as Polymesoda convexa (Brongniart, 1822) †
• Polymesoda (Pseudocyrena) convexa brongniarti (Basterot, 1825) † accepted as Polymesoda convexa (Brongniart, 1822) †
• Polymesoda (Pseudocyrena) cordata (J. Morris, 1854) † represented as Polymesoda cordata (J. Morris, 1854) †
• Polymesoda (Pseudocyrena) cycladiformis (Deshayes, 1825) † accepted as Polymesoda laevis (Lamarck, 1805) †
• Polymesoda (Pseudocyrena) donacina (F. Sandberger, 1861) † (accepted > unreplaced junior homonym)
• Polymesoda (Pseudocyrena) faujasi [sic] † accepted as Falsocorbicula faujasii (Deshayes, 1830) †
• Polymesoda (Pseudocyrena) obovata (J. Sowerby, 1817) † represented as Polymesoda obovata (J. Sowerby, 1817) †
• Polymesoda (Pseudocyrena) visenoviensis Kadolsky, 1989 † represented as Polymesoda visenoviensis Kadolsky, 1989 †
• Polymesoda acuta (Prime, 1861) accepted as Polymesoda neubaueri Coan & Valentich-Scott, 2022
• Polymesoda aequilatera (Deshayes, 1855)
• Polymesoda altilis (Gould, 1853) accepted as Polymesoda mexicana (Broderip & G. B. Sowerby I, 1829)
• Polymesoda amygdalina (Deshayes, 1857) †
• Polymesoda anomala (Deshayes, 1855)
• Polymesoda arctata (Deshayes, 1855)
• Polymesoda bengalensis (Lamarck, 1818) accepted as Geloina bengalensis (Lamarck, 1818)
• Polymesoda boliviana (R. A. Philippi, 1851) (uncertain > nomen dubium)
• Polymesoda borealis Kadolsky, 1995 †
• Polymesoda bravoensis (Olsson, 1931) †
• Polymesoda brongniarti (Basterot, 1825) † accepted as Polymesoda convexa (Brongniart, 1822) †
• Polymesoda brongniarti costulata (Cossmann & Peyrot, 1910) † (uncertain)
• Polymesoda caroliniana (Bosc, 1801)
• Polymesoda coaxans (Gmelin, 1791) accepted as Geloina coaxans (Gmelin, 1791)
• Polymesoda convexa (Brongniart, 1822) †
• Polymesoda convexa angusta Hölzl, 1957 †
• Polymesoda convexa convexa (Brongniart, 1822) †
• Polymesoda convexa cordata Hölzl, 1957 † (accepted > unreplaced junior homonym)
• Polymesoda convexa maxima Hölzl, 1957 †
• Polymesoda convexa percostata Hölzl, 1957 †
• Polymesoda convexa pseudoconvexa Hölzl, 1957 †
• Polymesoda convexa trigonia Hölzl, 1957 †
• Polymesoda convexa var. semistriata (Deshayes, 1830) † accepted as Polymesoda convexa (Brongniart, 1822) †
• Polymesoda cordata (J. Morris, 1854) †
• Polymesoda dejaeri Glibert & van de Poel, 1966 †
• Polymesoda deperdita (Lamarck, 1806) †