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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(2): 17-24, pls. 7-10. Available electronically.

Attributed Nominal Species

Unio costatus Conrad, 1836 = Amblema plicata

‘Rafinesque’ of Authors.
Conrad, 1836. Monogr. Fam. Unionidae 1(2): pl. 17, fig. 7.
specimen image from publication Reeve, 1864. Conch. Icon. 16: pl. 4, sp. 16.
(reference to Amblema costata Rafinesque, 1820)

Unio glans Conrad, 1836 = Venustaconcha trabalis

‘Lea’ Conrad, 1836. Monogr. Fam. Unionidae 1(2): 21, pl. 9, fig. 2.
(misidentified reference to Unio glans Lea, 1831)

Unio parvus Conrad, 1836 = Toxolasma texasiense

‘Barnes’ of Authors.
Conrad, 1836. Monogr. Fam. Unionidae 1(2): 20, pl. 9, fig. 1.
specimen image from publication Sowerby, 1866. Conch. Icon. 16: pl. 35, sp. 186.
(misidentified reference to Unio parvus Barnes, 1823)

Taxonomic Opinions

Unio costatus (Rafinesque, 1820) = Amblema plicata
+ Unio undulatus Barnes, 1823

Unio glans Lea, 1831 = Toxolasma lividum

Unio parvus Barnes, 1823 = Toxolasma parvum

Unio radiatus (Lam.) = Lampsilis radiata
+ Unio virginiana Lamarck, 1819
+ Unio oblongatus Wood, 1828

Unio radiatus (Lam.) = Elliptio complanata

Unio retusus Lamarck, 1819 = Obovaria retusa
+ Obovaria torsa Rafinesque, 1820

Unio siliquoideus Barnes, 1823 = Lampsilis siliquoidea
+ Unio inflatus Barnes, 1823

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