Conrad, T.A. 1854. Descriptions of new species of Unio. Journal of the Academy of Natural Sciences 2(4) ((second series)): 295-298 + 2 pls. Available electronically.
Conrad, 1850. Proc. Acad. Nat. Sci. 5: 10.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 244.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 295, pl. 26, fig. 1.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 298, pl. 27, fig. 5.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297, pl. 26, fig. 8.

Conrad, 1850. Proc. Acad. Nat. Sci. 5: 10.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 296, pl. 26, fig. 6 [Unio sp.].
Type(s): HOLOTYPE ANSP_41808, Bogan River, Australia.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 296, pl. 26, fig. 5.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297, pl. 27, figs. 2. [in part]
(misidentified reference to Unio nobilis Conrad, 1854)

Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297, pl. 27, figs. 3. [in part]
Type(s): LECTOTYPE ANSP_43019 (by Johnson & Baker, 1973: 163), Louisiana.
Conrad, 1841. Proc. Acad. Nat. Sci. 1: 20 [as ‘paralellus’].
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297 [as ‘parallelus’].
(renamed Unio porrectus Conrad, 1854; homonym of Unio parallelus Sowerby, 1840; correct name for Unio paralellus Conrad, 1841)
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 255. [nomen nudum]
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297, pl. 27, 4.

Conrad, 1853. Proc. Acad. Nat. Sci. 6: 268. [nomen nudum]
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 296, pl. 26, fig. 7.
(new name for Unio parallelus Conrad, 1841; homonym of Unio porrectus Sowerby, 1829)
Type(s): HOLOTYPE ANSP_42847, Jackson, Miss.

‘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.
‘Chenu’ Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 299.
Chenu, 1858. Illustr. Conchyl.: pl. 5, figs. 2-2d.

Conrad, 1853. Proc. Acad. Nat. Sci. 6: 268. [nomen nudum]
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297, pl. 27, fig. 1.
Type(s): HOLOTYPE ANSP_41406, Canadian Fork, Arkansas River.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 259.
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 298, pl. 27, fig. 6.