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Data last updated
Mon 1 Dec 2025
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Publication Conrad (1836): summarypublication summary
Full CitationConrad, 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(5): 41-48, pls. 21-25. Available electronically.
Attributed Nominal Species
‘Guérin’ Conrad, 1836. Monogr. Fam. Unionidae 1(5): 41. (error for Unio cardiacea Guérin-Méneville, 1823)
‘Raf.’ Conrad, 1836. Monogr. Fam. Unionidae 1(5): 48, pl. 25. (misidentified reference to Obovaria cordata Rafinesque, 1820)
‘Say’ Conrad, 1836. Monogr. Fam. Unionidae 1(5): 45, pl. 23, fig. 1. Conrad, 1838. Monogr. Fam. Unionidae 2(11): back cover correginda [as ‘U. sayanus Ward’]. (misidentified reference to Unio declivis Say, 1831)
‘Rafinesque’ of Authors. Say, 1834. Amer. Conch. 6: ??. Conrad, 1836. Monogr. Fam. Unionidae 1(5): 42, pl. 21. (reference to Unio (Eurynia) dilatata Rafinesque, 1820)
‘Say’ Conrad, 1836. Monogr. Fam. Unionidae 1(5): 45, pl. 23, fig. 1 [as ‘U. declivis’]. Conrad, 1853. Proc. Acad. Nat. Sci. 6: 257. Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 296. Type(s): HOLOTYPE ANSP_42852, small creek in Greene Co., Ala.
Conrad, 1836. Monogr. Fam. Unionidae 1(5): back cover. Conrad, 1853. Proc. Acad. Nat. Sci. 6: 263 [as ‘Strophitus virgatus’].
Taxonomic OpinionsUnio blandingianus Lea, 1834 = Uniomerus carolinianus Unio cordatus (Rafinesque, 1820) = Pleurobema cordatum Unio declivis Say, 1831 = Uniomerus declivis + Unio geometricus Lea, 1834 Unio dilatatus Rafinesque, 1820 = Eurynia dilatata + Unio nasuta Lamarck, 1819 + Unio gibbosus Barnes, 1823 + Obliquaria (Ellipsaria) cuprea Rafinesque, 1820 + Obliquaria (Ellipsaria) atroviolacea Rafinesque, 1820 Unio mytiloides (Rafinesque, 1820) = Pleurobema clava + Obliquaria rubra Rafinesque, 1820 + Unio pyramidatus Lea, 1831 + Unio cardiacea Guérin-Méneville, 1823 Unio mytiloides (Rafinesque, 1820) = Pleurobema sintoxia Unio personatus Say, 1829 = Epioblasma personata + Unio capillaris Lea, 1834 Unio tuberculatus (Rafinesque, 1820) = Cyclonaias tuberculata + Unio verrucosus Barnes, 1823 + Unio tuberculosus Valenciennes, 1827
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