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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

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Data last updated
Mon 1 Dec 2025

Publication Conrad (1836): summary

publication summary

Full 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(3): 25-32, pls. 11-15. Available electronically.

Attributed Nominal Species

Unio catillus Conrad, 1836 = Pleurobema sintoxia

Conrad, 1836. Monogr. Fam. Unionidae 1(3): 30, pl. 13, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 246.

image of type lot

Unio coccineus Conrad, 1836 = Pleurobema sintoxia

‘Hildreth’ Conrad, 1836. Monogr. Fam. Unionidae 1(3): 29, pl. 13, fig. 1.
‘Hildreth’ Conrad, 1853. Proc. Acad. Nat. Sci. 6: 247.
Type(s): FIGURED SYNTYPE USNM_85848, Columbus, Ohio.

Unio congaraeus Conrad, 1836 = Elliptio congaraea

‘Lea’ Conrad, 1836. Monogr. Fam. Unionidae 1(3): 27, pl. 12, fig. 1 [as ‘congaræus’].
(reference to Unio congaraeus Lea, 1831)

Unio fasciolus Say, 1834 = Lampsilis fasciola

‘Rafinesque’ of Authors.
Say, 1834. Amer. Conch. 6: ??.
Conrad, 1836. Monogr. Fam. Unionidae 1(3): 26, pl. 11, fig. 2.
(reference to Lampsilis fasciola Rafinesque, 1820)

Unio masoni Conrad, 1834 = Fusconaia masoni

Conrad, 1834. New Fresh-Water Shells: 34, pl. 5, fig. 2.
Conrad, 1836. Monogr. Fam. Unionidae 1(3): 28, pl. 12, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 252.

Unio pectorosus Conrad, 1834 = Ortmanniana pectorosa

Conrad, 1834. New Fresh-Water Shells: 37, pl. 6, fig. 1.
Conrad, 1836. Monogr. Fam. Unionidae 1(3): 25, pl. 11, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 254.

image of type lot

Unio productus Conrad, 1836 = Elliptio producta

Conrad, 1836. Monogr. Fam. Unionidae 1(3): 31, pl. 14, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 255.
Type(s): HOLOTYPE ANSP_41397, [no locality available - North America].

Unio rectus Conrad, 1836 = Ligumia recta

Conrad, 1836. Monogr. Fam. Unionidae 1(3): 33, pl. 55.
(reference to Unio recta Lamarck, 1819)

Taxonomic Opinions

Unio catillus Conrad, 1836 = Pleurobema sintoxia

Unio coccineus ‘Hildreth’ Conrad, 1836 = Pleurobema sintoxia

Unio congaræus Lea, 1831 = Elliptio congaraea

Unio fasciolus (Rafinesque, 1820) = Lampsilis fasciola
+ Unio multiradiatus Lea, 1829

Unio lanceolatus Lea, 1828 = Elliptio lanceolata

Unio masoni Conrad, 1834 = Fusconaia masoni

Unio pectorosus Conrad, 1834 = Ortmanniana pectorosa
+ Unio perdix Lea, 1834

Unio productus Conrad, 1836 = Elliptio producta

Unio rectus Lamarck, 1819 = Ligumia recta
+ Unio (Eurynia) latissima Rafinesque, 1820
+ Unio praelongus Barnes, 1823

 
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