|                Page last updated 
                  Sun 07 Sep 2025  | 
              
              
  
The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win! 
This page documents data for Clarke (1985), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work. The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=publ&id=1092 
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 Publication information 
Clarke, A.H. 1985. The tribe Alasmidontini (Unionidae: Anodontinae), Part II: Lasmigona and Simpsonaias. Smithsonian Contributions to Zoology (399). iii + 75 pp. 
Click here for online access. 
Attributed Genus Names
  Elasmigena Clarke, 1985
     ‘Herrmannsen’ Clarke, 1985, Smithson. Contrib. Zool. (399): 2.
      (error for Elasmogena Herrmannsen, 1852)
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 Attributed Species Names
  Unio pertenius Clarke, 1985
     ‘Lea’ Clarke, 1985, Smithson. Contrib. Zool. (399): l51.
    (error for Unio pertenuis Lea, 1863)
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  Lasmigona (Lasmigona) complanata alabamensis Clarke, 1985
      Clarke, 1985, Smithson. Contrib. Zool. (399): 36, fig. 10.
    (intro'd as intra-sp. of Alasmodonta complanata Barnes, 1823)
    Type(s): HOLOTYPE USNM_809996, Coosa River, (Alabama River Dr.), H. Neely Henry Lake, Calhoun Co., Alabama.
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Taxonomic Opinions
	 Lasmigona (Alasminota) holstonia (Lea, 1838)
	 + Sulcularia badia Rafinesque, 1831
	 + Margaritana etowaensis Conrad, 1849
	 + Margaritana etowahensis Lea, 1858
	 + Margaritana georgiana Lea, 1859
	 + Alasmodonta impressa J.G. Anthony, 1865
	 + Unio holstonianus Sowerby, 1868
	 
	Lasmigona (Platynaias) compressa (Lea, 1829)
	 + Unio alasmodontina Lea, 1829
	 + Unio compressus var. plebius C.B. Adams, 1842
	 + Margaron (Unio) pressus Lea, 1852
	 
	Lasmigona (Platynaias) decorata (Lea, 1852)
	 + Unio charlottensis Lea, 1863
	 + Unio insolidus Lea, 1872
	 
	Lasmigona (Platynaias) subviridis (Conrad, 1835)
	 + Unio viridis Conrad, 1835
	 + Unio tappanianus Lea, 1838
	 + Unio hyalinus Lea, 1845
	 + Margaritana quadrata Lea, 1861
	 + Unio pertenuis Lea, 1863
	 
	Lasmigona (s.s.) complanata alabamensis Clarke, 1985
	 
	Lasmigona (s.s.) complanata complanata (Barnes, 1823)
	 + Unio gigas Swainson, 1824
	 + Unio katherinae Lea, 1838
	 + Complanaria gigas Swainson, 1840
	 
	Lasmigona (s.s.) costata (Rafinesque, 1820)
	 + Alasmodonta rugosa Barnes, 1823
	 + Amblasmodon hians Rafinesque, 1831
	 + Lasmigona costata var. ereganensis Grier, 1918
	 + Lasmigona costata pepinensis F.C. Baker, 1928
	 + Lasmigona costata nuda F.C. Baker, 1928
	 
	Simpsonaias ambigua (Say, 1825)
	 + Unio hildrethianus Lea, 1834
	 + Alasmidonta dubia Ferussac, 1835
	 
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  Page updated: 08:41:51 Sun 07 Sep 2025  |  
 
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