{{Short description|Genus of bivalves}} {{Automatic taxobox | image = Polymesoda artacta 001.jpg | image_caption = ''Polymesoda arctata'' | display_parents = 3 | taxon = Polymesoda | authority = Rafinesque, 1820 | synonyms = {{hidden begin|title = List}} * † ''Cyprinella'' <small>Gabb, 1864</small> (junior subjective synonym) * ''Cyrena (Anomala)'' <small>Deshayes, 1855</small> * ''Cyrena (Egeta)'' <small>H. Adams & A. Adams, 1858</small> * ''Cyrena (Polymesoda)'' <small>Rafinesque, 1820</small> * ''Cyrena (Pseudocyrena)'' <small>Bourguignat, 1854</small> * † ''Diodus'' <small>Gabb, 1869</small> (junior subjective synonym) * ''Egetaria'' <small>Mörch, 1861</small> (junior synonym) * ''Leptosiphon'' <small>P. Fischer, 1872</small> * ''Neocyrena'' <small>Crosse & P. Fischer, 1894</small> * ''Polymesoda (Egeta)'' <small>H. Adams & A. Adams, 1858</small>· accepted, alternate representation * ''Polymesoda (Egetaria)'' <small>Mörch, 1861</small>· accepted, alternate representation * ''Polymesoda (Neocyrena)'' <small>Crosse & P. Fischer, 1894</small>· accepted, alternate representation * ''Polymesoda (Polymesoda)'' <small>Rafinesque, 1820</small>· accepted, alternate representation * ''Polymesoda (Pseudocyrena)'' <small>Bourguignat, 1854</small> * ''Pseudocyrena'' <small>Bourguignat, 1854</small> {{hidden end}} | subdivision_ranks = Species | subdivision = See text. }}
'''''Polymesoda''''' is a genus of clams in the family Cyrenidae.<ref name="worms">Bouchet, P. and S. Gofas. (2014). [http://www.marinespecies.org/aphia.php?p=taxdetails&id=415847 ''Polymesoda'' Rafinesque, 1820.] Accessed through: World Register of Marine Species.</ref> The genus was previously classified in the family Corbiculidae,<ref>[https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=81382 ''Polymesoda''.] Integrated Taxonomic Information System (ITIS).</ref> before it was subsumed into Cyrenidae.
==Species== The following species are recognised in the genus ''Polymesoda'':<ref>{{Cite web |title=WoRMS - World Register of Marine Species - Polymesoda Rafinesque, 1820 |url=https://www.marinespecies.org/aphia.php?p=taxdetails&id=415847 |access-date=2024-01-16 |website=www.marinespecies.org |language=en}}</ref> {{div col|colwidth=22em}} * ''Polymesoda aequilatera'' <small>(Deshayes, 1855)</small> * ''Polymesoda anomala'' <small>(Deshayes, 1855)</small> * ''Polymesoda arctata'' <small>(Deshayes, 1855)</small> * †''Polymesoda borealis'' <small>Kadolsky, 1995</small> * †''Polymesoda bravoensis'' <small>(Olsson, 1931)</small> * ''Polymesoda caroliniana'' <small>(Bosc, 1801)</small> – Carolina marsh clam * †''Polymesoda convexa'' <small>(Brongniart, 1822)</small> * †''Polymesoda cordata'' <small>(J. Morris, 1854)</small> * †''Polymesoda dejaeri'' <small>Glibert & van de Poel, 1966</small> * †''Polymesoda deperdita'' <small>(Lamarck, 1806)</small> * †''Polymesoda distorta'' <small>(Ludwig, 1865)</small> * †''Polymesoda donacina'' <small>(F. Sandberger, 1861)</small> * †''Polymesoda dulwichiensis'' <small>(Rickman, 1860)</small> * ''Polymesoda exquisita'' <small>(Prime, 1867)</small> * ''Polymesoda floridana'' <small>(Conrad, 1846)</small> * ''Polymesoda fontainei'' <small>(d'Orbigny, 1842)</small> * ''Polymesoda fortis'' <small>(Prime, 1861)</small> * ''Polymesoda inflata'' <small>(Philippi, 1851)</small> * †''Polymesoda laevis'' <small>(Lamarck, 1805)</small> * †''Polymesoda langauensis'' <small>Hölzl, 1957</small> * ''Polymesoda meridionalis'' <small>(Prime, 1865)</small> * †''Polymesoda mermieri'' <small>(Depéret, 1896)</small> * ''Polymesoda mexicana'' <small>(Broderip & G. B. Sowerby I, 1829)</small> * †''Polymesoda muravchiki'' <small>Pérez, Genta Iturrería & Griffin, 2010</small> * ''Polymesoda neubaueri'' <small>Coan & Valentich-Scott, 2022 </small> * ''Polymesoda notabilis'' <small>(Deshayes, 1855)</small> * †''Polymesoda obovata'' <small>(J. Sowerby, 1817)</small> * ''Polymesoda obscura'' <small>(Prime, 1860)</small> * ''Polymesoda ordinaria'' <small>(Prime, 1865)</small> * †''Polymesoda pireti'' <small>(Cossmann, 1908)</small> * ''Polymesoda placens'' <small>(Hanley, 1845)</small> * ''Polymesoda radiata'' <small>(Hanley, 1845)</small> * †''Polymesoda salobris'' <small>(Ihering, 1907)</small> * †''Polymesoda subarata'' <small>(Schlotheim, 1820)</small> * †''Polymesoda tegalensis'' <small>Oostingh, 1935</small> * †''Polymesoda transcaucasica'' <small>(Kvaliashvili, 1962)</small> * ''Polymesoda triangula'' <small>(Busch in Philippi, 1849)</small> * ''Polymesoda tribunalis'' <small>(Prime, 1870)</small> * †''Polymesoda trigalensis'' <small>(Olsson, 1931)</small> * †''Polymesoda ulmensis'' <small>(F. Sandberger, 1872)</small> * †''Polymesoda visenoviensis'' <small>Kadolsky, 1989</small> {{div col end}}
;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== {{commonscat}} {{Reflist}}
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Category:Cyrenidae Category:Bivalve genera
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