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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


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Data last updated
Mon 1 Dec 2025

Publication Conrad (1837): summary

publication summary

Full Citation

Conrad, T.A. 1837. 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(8): 65-72, pls. 36-40. Available electronically.

Attributed Nominal Species

Anodonta carinifera Conrad, 1837 = Pilsbryoconcha carinifera

Conrad, 1837. Monogr. Fam. Unionidae 1(8): back cover.
Type(s): NEOTYPE MUMNH_UNI2823 (by Jeratthitikul et al., 2022), Huai Yang Stream, Thailand.

image of type lot

Unio collinus Conrad, 1837 = Parvaspina collina

Conrad, 1837. Monogr. Fam. Unionidae 1(8): 65, pl. 36, fig. 2.
Conrad, 1840. Monogr. Fam. Unionidae 2(12): 109, pl. 60, figs. 3.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 247.
Type(s): LECTOTYPE ANSP_41007, Rockbridge Co., Va.

image of type lot

Unio greenii Conrad, 1834 = Ptychobranchus greenii

Conrad, 1834. New Fresh-Water Shells: 32, pl. 4, fig. 1.
Conrad, 1837. Monogr. Fam. Unionidae 1(8): 69, pl. 38, fig. 2.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 250.
Type(s): SYNTYPE USNM_84950, [Black Warrior River] Alabama.

Unio gibbosus var. perobliquus Conrad, 1836 = Epioblasma perobliqua

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.

Unio politus Conrad, 1837 = Fusconaia subrotunda

Say, 1834. Amer. Conch. 6: ??. [nomen nudum]
Conrad, 1837. Monogr. Fam. Unionidae 1(8): 67, pl. 37, fig. 2.

Unio rudis Conrad, 1837 = Pleurobema oviforme

Conrad, 1837. Monogr. Fam. Unionidae 1(8): 76, pl. 43, fig. 1.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 257.
(new name for Unio ravenelianus Lea, 1834)

Taxonomic Opinions

Unio capsaeformis Lea, 1834 = Epioblasma capsaeformis

Unio collinus Conrad, 1837 = Parvaspina collina

Unio compressus (Lea, 1829) = Platynaias compressa

Unio greenii Conrad, 1834 = Ptychobranchus greenii

Unio nexus Say, 1831 = Epioblasma arcaeformis
+ Unio arcaeformis Lea, 1831

Unio perobliquus Conrad, 1836 = Epioblasma perobliqua

Unio politus Say, 1834 = Fusconaia subrotunda
+ Unio subrotundus Lea, 1831

Unio shepardianus Lea, 1834 = Elliptio shepardiana

Unio sowerbianus Lea, 1834 = Epioblasma haysiana
 
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