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Page last updated
Thu 17 July 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!


Publication Conrad (1836): summary
     publication summary

Complete Citation

Conrad, T.A. 1836. 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(6): 49-56, pls. 26-30. Available electronically.

Attributed Nominal Species

Unio fragilis Swainson, 1823
‘Rafinesque’ of Authors.
Swainson, 1823. Zool. Illustr. 3(1): pl. 171.
Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 587.
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 55, pl. 30.
(reference to Unio (Leptodea) fragilis Rafinesque, 1820)

Unio gibbosus Ferussac, 1835
‘Rafinesque’ of Authors.
Ferussac, 1835. Mag. Zool. 5: 28.
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 50, pl. 27, fig. 1.
Reeve, 1864. Conch. Icon. 16: pl. 11, sp. 41, figs. 41a-b.
(reference to Amblema gibbosa Rafinesque, 1820)

Unio niger Conrad, 1836
‘Rafinesque’ Conrad, 1836. Monogr. Fam. Unionidae 1(6): 49, pl. 46.
‘Rafinesque’ Conrad, 1853. Proc. Acad. Nat. Sci. 6: 253.
(reference to Unio (Elliptio) nigra Rafinesque, 1820)

Unio sageri Conrad, 1836
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 53, pl. 29, fig. 1.

Unio teres Say, 1834
‘Rafinesque’ of Authors.
Say, 1834. Amer. Conch. 6: ??.
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 52, pl. 28.
(reference to Unio (Eurynia) teres Rafinesque, 1820)

Unio gibbosus var. perobliquus Conrad, 1836
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 51, pl. 27, fig. 2.
Conrad, 1837. Monogr. Fam. Unionidae 1(8): back cover.
(intro'd as intra-sp. of Amblema gibbosa Rafinesque, 1820)
Type(s): TYPE LOCALITY TYPE_LOCALITY_MP_008, Wabash River, Indiana.

Taxonomic Opinions

Unio alatus Say, 1817 = Potamilus alatus
+ Metaptera megaptera Rafinesque, 1820

Unio fragilis Rafinesque, 1820 = Potamilus fragilis
+ Unio gracilis Barnes, 1823
+ Unio fragilis Swainson, 1823

Unio gibbosus (Rafinesque, 1820) = Epioblasma torulosa
+ Amblema torulosa Rafinesque, 1820
+ Unio perplexus Lea, 1831

Unio gibbosus var. perobliquus Conrad, 1836 = Epioblasma perobliqua

Unio lapillus Say, 1831 = Paetulunio fabalis
+ Unio fabalis Lea, 1831

Unio niger Rafinesque, 1820 = Elliptio crassidens
+ Unio crassidens Lamarck, 1819
+ Unio cuneatus Barnes, 1823

Unio sageri Conrad, 1836 = Ligumia recta

Unio teres Rafinesque, 1820 = Lampsilis teres
+ Unio anodontoides Lea, 1831

 
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