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Wed 1 October 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

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Publication Conrad (1835): summary
     publication summary

Complete Citation

Conrad, T.A. 1835. 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(1): 1-12, pls. 1-6. Available electronically.

Attributed Nominal Species

Unio clavus Conrad, 1835
‘Lamarck’ Conrad, 1835. Monogr. Fam. Unionidae 1(1): 5, pl. 3, fig. 1.

Unio fasciatus Conrad, 1835
‘Raf.’ Conrad, 1835. Monogr. Fam. Unionidae 1(1): 3, pl. 1.
‘Raf.’ Conrad, 1853. Proc. Acad. Nat. Sci. 6: 249.

Unio flexuosus Conrad, 1835
‘Rafinesque’ of Authors.
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 8, pl. 6, fig. 2.
Reeve, 1864. Conch. Icon. 16: pl. 6, sp. 22; pl. 13, fig. 53.

Unio fragosus Conrad, 1835
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 12, pl. 6, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 249.

Unio modioliformis Lea, 1834
‘Say’ of Authors.
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 89.
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 5.
Ferussac, 1835. Mag. Zool. 5: 28.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 246.

Unio mortoni Conrad, 1835
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 11, pl. 6, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 252.
Type(s): HOLOTYPE ANSP_10287A, Bayou Teche, Louisiana.

Unio phillipsii Conrad, 1835
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 9, pl. 5, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 255.
Type(s): HOLOTYPE ANSP_19432, Wabash R., Indiana.

Unio ovatus var. ornatus Conrad, 1835
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 4.

Taxonomic Opinions

Unio clava Lamarck, 1819 = Pleurobema clava
+ Obliquaria (Scalenaria) scalenia Rafinesque, 1820
+ Unio modioliformis Lea, 1834

Unio decisus Lea, 1831 = Pleurobema taitianum
+ Unio taitianus Lea, 1834

Unio decisus Lea, 1831 = Pleurobema decisum

Unio fasciatus Rafinesque, 1820 = Ortmanniana ligamentina
+ Unio carinatus Barnes, 1823

Unio flexuosus (Rafinesque, 1820) = Epioblasma flexuosa
+ Unio foliatus Hildreth, 1828

Unio fragosus Conrad, 1835 = Quadrula fragosa

Unio metanevrus (Rafinesque, 1820) = Theliderma metanevra
+ Unio nodosus Barnes, 1823

Unio mortoni = Pustulosa pustulosa

Unio ovatus Say, 1817 = Lampsilis ovata
+ Unio ovata Lamarck, 1819

Unio phillipsii Conrad, 1835 = Obliquaria reflexa

Unio reflexus (Rafinesque, 1820) = Obliquaria reflexa
+ Unio cornutus Barnes, 1823

 
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