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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(6): 49-56, pls. 26-30. Available electronically.

Attributed Nominal Species

Unio fragilis Swainson, 1823 = Potamilus fragilis

‘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 = Epioblasma torulosa

‘Rafinesque’ of Authors.
Ferussac, 1835. Mag. Zool. 5(59-60): 28.
Conrad, 1836. Monogr. Fam. Unionidae 1(6): 50, pl. 27, fig. 1.
specimen image from publicationReeve, 1864. Conch. Icon. 16: pl. 11, sp. 41, figs. 41a-b.
(reference to Amblema gibbosa Rafinesque, 1820)

Unio niger Conrad, 1836 = Elliptio crassidens

‘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 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 sageri Conrad, 1836 = Ligumia recta

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

Unio teres Say, 1834 = Lampsilis teres

‘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)

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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