# Polymesoda

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{{Short description|Genus of bivalves}}
{{Automatic taxobox
| image = Polymesoda artacta 001.jpg
| image_caption = ''[Polymesoda arctata](/source/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](/source/genus) of [clam](/source/clam)s in the family [Cyrenidae](/source/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](/source/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](/source/Polymesoda_aequilatera)'' <small>(Deshayes, 1855)</small>
* ''[Polymesoda anomala](/source/Polymesoda_anomala)''  <small>(Deshayes, 1855)</small>
* ''[Polymesoda arctata](/source/Polymesoda_arctata)''  <small>(Deshayes, 1855)</small>
* †''[Polymesoda borealis](/source/Polymesoda_borealis)'' <small>Kadolsky, 1995</small> 
* †''[Polymesoda bravoensis](/source/Polymesoda_bravoensis)'' <small>(Olsson, 1931)</small>
* ''[Polymesoda caroliniana](/source/Polymesoda_caroliniana)'' <small>(Bosc, 1801)</small> – Carolina marsh clam
* †''[Polymesoda convexa](/source/Polymesoda_convexa)'' <small>(Brongniart, 1822)</small> 
* †''[Polymesoda cordata](/source/Polymesoda_cordata)'' <small>(J. Morris, 1854)</small> 
* †''[Polymesoda dejaeri](/source/Polymesoda_dejaeri)'' <small>Glibert & van de Poel, 1966</small> 
* †''[Polymesoda deperdita](/source/Polymesoda_deperdita)'' <small>(Lamarck, 1806)</small> 
* †''[Polymesoda distorta](/source/Polymesoda_distorta)'' <small>(Ludwig, 1865)</small>
* †''[Polymesoda donacina](/source/Polymesoda_donacina)'' <small>(F. Sandberger, 1861)</small> 
* †''[Polymesoda dulwichiensis](/source/Polymesoda_dulwichiensis)'' <small>(Rickman, 1860)</small>
* ''[Polymesoda exquisita](/source/Polymesoda_exquisita)'' <small>(Prime, 1867)</small>
* ''[Polymesoda floridana](/source/Polymesoda_floridana)'' <small>(Conrad, 1846)</small>
* ''[Polymesoda fontainei](/source/Polymesoda_fontainei)''  <small>(d'Orbigny, 1842)</small>
* ''[Polymesoda fortis](/source/Polymesoda_fortis)'' <small>(Prime, 1861)</small>
* ''[Polymesoda inflata](/source/Polymesoda_inflata)'' <small>(Philippi, 1851)</small>
* †''[Polymesoda laevis](/source/Polymesoda_laevis)'' <small>(Lamarck, 1805)</small>
* †''[Polymesoda langauensis](/source/Polymesoda_langauensis)'' <small>Hölzl, 1957</small>
* ''[Polymesoda meridionalis](/source/Polymesoda_meridionalis)'' <small>(Prime, 1865)</small>
* †''[Polymesoda mermieri](/source/Polymesoda_mermieri)'' <small>(Depéret, 1896)</small>
* ''[Polymesoda mexicana](/source/Polymesoda_mexicana)''  <small>(Broderip & G. B. Sowerby I, 1829)</small>
* †''[Polymesoda muravchiki](/source/Polymesoda_muravchiki)'' <small>Pérez, Genta Iturrería & Griffin, 2010</small> 
* ''[Polymesoda neubaueri](/source/Polymesoda_neubaueri)'' <small>Coan & Valentich-Scott, 2022 </small>
* ''[Polymesoda notabilis](/source/Polymesoda_notabilis)'' <small>(Deshayes, 1855)</small>
* †''[Polymesoda obovata](/source/Polymesoda_obovata)'' <small>(J. Sowerby, 1817)</small> 
* ''[Polymesoda obscura](/source/Polymesoda_obscura)'' <small>(Prime, 1860)</small>
* ''[Polymesoda ordinaria](/source/Polymesoda_ordinaria)'' <small>(Prime, 1865)</small>
* †''[Polymesoda pireti](/source/Polymesoda_pireti)'' <small>(Cossmann, 1908)</small> 
* ''[Polymesoda placens](/source/Polymesoda_placens)'' <small>(Hanley, 1845)</small>
* ''[Polymesoda radiata](/source/Polymesoda_radiata)'' <small>(Hanley, 1845)</small>
* †''[Polymesoda salobris](/source/Polymesoda_salobris)'' <small>(Ihering, 1907)</small>
* †''[Polymesoda subarata](/source/Polymesoda_subarata)'' <small>(Schlotheim, 1820)</small>
* †''[Polymesoda tegalensis](/source/Polymesoda_tegalensis)'' <small>Oostingh, 1935</small> 
* †''[Polymesoda transcaucasica](/source/Polymesoda_transcaucasica)'' <small>(Kvaliashvili, 1962)</small> 
* ''[Polymesoda triangula](/source/Polymesoda_triangula)'' <small>(Busch in Philippi, 1849)</small>
* ''[Polymesoda tribunalis](/source/Polymesoda_tribunalis)'' <small>(Prime, 1870)</small>
* †''[Polymesoda trigalensis](/source/Polymesoda_trigalensis)'' <small>(Olsson, 1931)</small> 
* †''[Polymesoda ulmensis](/source/Polymesoda_ulmensis)'' <small>(F. Sandberger, 1872)</small> 
* †''[Polymesoda visenoviensis](/source/Polymesoda_visenoviensis)'' <small>Kadolsky, 1989</small> 
{{div col end}}

;Former species
Many former species of the genus ''Polymesoda'' were transferred to the genus ''[Geloina](/source/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''](/source/List_of_former_species_in_the_genus_Polymesoda).

==References==
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{{Reflist}}

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Category:Cyrenidae
Category:Bivalve genera

{{bivalve-stub}}

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Adapted from the Wikipedia article [Polymesoda](https://en.wikipedia.org/wiki/Polymesoda) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Polymesoda?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.