MUSSELp
 
MUSSELpdb
 
 
 

Page last updated
9 August
2018

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.

 

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Bivalvia
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NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

Click here to view these data in the current, updated version. Or, click here to browse from the starting page.

Publication Information

Conrad, T.A. 1840. Monography of the Family Unionidae, or naiades of Lamarck, (fresh water bivalve shells) or North America, illustrated by figures drawn on stone from nature 2(13): 111-118, pls. 61-65.
Availably electronically? yes.

Species Described
Unio cicatricosus Conrad, 1834.
‘Say’ Conrad, 1834, New Fresh-Water Shells: ??.
‘Say’ Conrad, 1840, Monogr. Fam. Unionidae: 115, pl. 64.
(mis-ID'd reference to Unio cicatricosus Say, 1829)
= Plethobasus cyphyus
 
Unio quadrulus Say, 1834.
‘Rafinesque’ Of Authors.
Say, 1834, Amer. Conch.: pl. 53.
Conrad, 1840, Monogr. Fam. Unionidae: 112, pl. 62.
(reference to Obliquaria quadrula Rafinesque, 1820)
= Quadrula quadrula
 
Taxonomic Opinions
Unio cardium (Rafinesque, 1820). — Conrad (1840: 117).
Unio cicatricosus Say, 1829. — Conrad (1840: 115).
Unio cyphius [sic] (Rafinesque, 1820). — Conrad (1840: 113).
Unio plicata Say, 1819. — Conrad (1840: 116).
Unio quadrulus (Rafinesque, 1820). — Conrad (1840: 112).
Unio tetralasmus Say, 1831. — Conrad (1840: 111).
 
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