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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.

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Publication Information

Conrad, T.A. 1838. Monography of the Family Unionidae, or naiades of Lamarck, (fresh water bivalve shells) or North America, illustrated by figures drawn on stone from nature 1(10): 81-94, pls. 46-51.
Availably electronically? yes.

Species Described
Unio bullatus Conrad, 1838.
‘Rafinesque’ Of Authors.
Conrad, 1838, Monogr. Fam. Unionidae: 82, pl. 45, fig. 2.
Lapham, 1852, Trans. WI Agri. Soc.: 369.
Reeve, 1864, Conch. Icon.: pl. 12, sp. 43.
(reference to Obliquaria bullata Rafinesque, 1820)
= Cyclonaias pustulosa
 
Unio conradius Conrad, 1838.
‘Lea’ Conrad, 1838, Monogr. Fam. Unionidae: 87, pl. 47, fig. 3.
(error for Unio conradicus Lea, 1834)
= Medionidus conradicus
 
Unio hembeli Conrad, 1838.
Conrad, 1838, Monogr. Fam. Unionidae: 93, pl. 51.
Type(s): HOLOTYPE ANSP_56529, no locality, but sent from New Orleans, Louisiana.
= Margaritifera hembeli
 
Unio interruptus Conrad, 1834.
‘Rafinesque’ Of Authors.
Conrad, 1834, New Fresh-Water Shells: 69.
Say, 1834, Amer. Conch.: ??.
Ferussac, 1835, Mag. Zool.: 28.
Conrad, 1838, Monogr. Fam. Unionidae: 88, pl. 48.
Reeve, 1864, Conch. Icon.: pl. 14, sp. 56.
(mis-ID'd reference to Obliquaria interrupta Rafinesque, 1820)
= Epioblasma brevidens
 
Unio patulus Conrad, 1838.
‘Lea’ Conrad, 1838, Monogr. Fam. Unionidae: 92, pl. 50, fig. 2.
(mis-ID'd reference to Unio patulus Lea, 1829)
= Pleurobema oviforme
 
Unio plexus Conrad, 1838.
Conrad, 1838, Monogr. Fam. Unionidae: 89, pl. 49, figs. 1-2.
Conrad, 1853, Proc. Acad. Nat. Sci.: 255.
Type(s): LECTOTYPE ANSP_129923, Vera Cruz, Mexico.
= Barynaias plexus
 
Unio stegarius Say, 1834.
‘Rafinesque’ Of Authors.
Say, 1834, Amer. Conch.: ??.
Ferussac, 1835, Mag. Zool.: 28.
Conrad, 1838, Monogr. Fam. Unionidae: 83, pl. 46, fig. 1.
Reeve, 1864, Conch. Icon.: pl. 12, sp. 45.
(reference to Obovaria stegaria Rafinesque, 1820)
= Cyprogenia stegaria
 
Unio stramineus Conrad, 1834.
Conrad, 1834, Amer. J. Sci.: 339, pl. 1, fig. 6.
Conrad, 1834, New Fresh-Water Shells: pl. 7, fig. 1.
Conrad, 1838, Monogr. Fam. Unionidae: 91, pl. 50, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci.: 258.
= Lampsilis straminea
 
Unio lienosus variety constrictus Conrad, 1838.
Conrad, 1838, Monogr. Fam. Unionidae: 91, pl. 49, fig. 4.
Conrad, 1838, Monogr. Fam. Unionidae: back cover correginda [as ‘Unio constrictus’].
Conrad, 1853, Proc. Acad. Nat. Sci.: 247 [as ‘Unio constrictus’].
(intro'd as intra-sp. of Unio lienosus Conrad, 1834)
Type(s): HOLOTYPE ANSP_56465A, North River, Rockbridge Co., Va.
= Venustaconcha constricta
 
Taxonomic Opinions
Unio acutissimus Lea, 1831. — Conrad (1838: 86).
Unio bullatus (Rafinesque, 1820). — Conrad (1838: 82).
Unio conradius [sic] Lea, 1834. — Conrad (1838: 87).
Unio constrictus Conrad, 1838. — Conrad (1838: 91).
Unio dromas Lea, 1834. — Conrad (1838: 84).
Unio hembeli Conrad, 1838. — Conrad (1838: 93).
Unio heterodon Lea, 1829. — Conrad (1838: 90).
Unio interrupta (Rafinesque, 1820). — Conrad (1838: 88).
Unio patulus Lea, 1829. — Conrad (1838: 92).
Unio plexus Conrad, 1838. — Conrad (1838: 89).
Unio stegarius (Rafinesque, 1820). — Conrad (1838: 83).
Unio stramineus Conrad, 1834. — Conrad (1838: 91).
Unio subtentus Say, 1825. — Conrad (1838: 85).
 
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