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Polymesoda
Polymesoda arctata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Venerida
Superfamily:	Cyrenoidea
Family:	Cyrenidae
Genus:	Polymesoda Rafinesque, 1820
Species
See text.
Synonyms
List † Cyprinella Gabb, 1864 (junior subjective synonym) Cyrena (Anomala) Deshayes, 1855 Cyrena (Egeta) H. Adams & A. Adams, 1858 Cyrena (Polymesoda) Rafinesque, 1820 Cyrena (Pseudocyrena) Bourguignat, 1854 † Diodus Gabb, 1869 (junior subjective synonym) Egetaria Mörch, 1861 (junior synonym) Leptosiphon P. Fischer, 1872 Neocyrena Crosse & P. Fischer, 1894 Polymesoda (Egeta) H. Adams & A. Adams, 1858· accepted, alternate representation Polymesoda (Egetaria) Mörch, 1861· accepted, alternate representation Polymesoda (Neocyrena) Crosse & P. Fischer, 1894· accepted, alternate representation Polymesoda (Polymesoda) Rafinesque, 1820· accepted, alternate representation Polymesoda (Pseudocyrena) Bourguignat, 1854 Pseudocyrena Bourguignat, 1854

Polymesoda is a genus of clams in the family Cyrenidae. The genus was previously classified in the family Corbiculidae, before it was subsumed into Cyrenidae.

Species

The following species are recognised in the genus Polymesoda:

• Polymesoda aequilatera (Deshayes, 1855)
• Polymesoda anomala (Deshayes, 1855)
• Polymesoda arctata (Deshayes, 1855)
• †Polymesoda borealis Kadolsky, 1995
• †Polymesoda bravoensis (Olsson, 1931)
• Polymesoda caroliniana (Bosc, 1801) – Carolina marsh clam
• †Polymesoda convexa (Brongniart, 1822)
• †Polymesoda cordata (J. Morris, 1854)
• †Polymesoda dejaeri Glibert & van de Poel, 1966
• †Polymesoda deperdita (Lamarck, 1806)
• †Polymesoda distorta (Ludwig, 1865)
• †Polymesoda donacina (F. Sandberger, 1861)
• †Polymesoda dulwichiensis (Rickman, 1860)
• Polymesoda exquisita (Prime, 1867)
• Polymesoda floridana (Conrad, 1846)
• Polymesoda fontainei (d'Orbigny, 1842)
• Polymesoda fortis (Prime, 1861)
• Polymesoda inflata (Philippi, 1851)
• †Polymesoda laevis (Lamarck, 1805)
• †Polymesoda langauensis Hölzl, 1957
• Polymesoda meridionalis (Prime, 1865)
• †Polymesoda mermieri (Depéret, 1896)
• Polymesoda mexicana (Broderip & G. B. Sowerby I, 1829)
• †Polymesoda muravchiki Pérez, Genta Iturrería & Griffin, 2010
• Polymesoda neubaueri Coan & Valentich-Scott, 2022
• Polymesoda notabilis (Deshayes, 1855)
• †Polymesoda obovata (J. Sowerby, 1817)
• Polymesoda obscura (Prime, 1860)
• Polymesoda ordinaria (Prime, 1865)
• †Polymesoda pireti (Cossmann, 1908)
• Polymesoda placens (Hanley, 1845)
• Polymesoda radiata (Hanley, 1845)
• †Polymesoda salobris (Ihering, 1907)
• †Polymesoda subarata (Schlotheim, 1820)
• †Polymesoda tegalensis Oostingh, 1935
• †Polymesoda transcaucasica (Kvaliashvili, 1962)
• Polymesoda triangula (Busch in Philippi, 1849)
• Polymesoda tribunalis (Prime, 1870)
• †Polymesoda trigalensis (Olsson, 1931)
• †Polymesoda ulmensis (F. Sandberger, 1872)
• †Polymesoda visenoviensis Kadolsky, 1989

Former species

Many former species of the genus Polymesoda were transferred to the genus Geloina, while others were synonymized or transferred to different genera. For a list of former species see List of former species in the genus Polymesoda.

References

1. Bouchet, P. and S. Gofas. (2014). Polymesoda Rafinesque, 1820. Accessed through: World Register of Marine Species.
2. Polymesoda. Integrated Taxonomic Information System (ITIS).
3. "WoRMS - World Register of Marine Species - Polymesoda Rafinesque, 1820". www.marinespecies.org. Retrieved 2024-01-16.

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