original description
(of Unio tetralasmus Say, 1831) Say, T. (1830-1834). American Conchology, or descriptions of the shells of North America. Illustrated by coloured figures from original drawings executed from nature. School Press, New Harmony, Indiana. Part 1 (1830a); Part 2 (April 1831a); Part 3 (September 1831a); Part 4 (March 1832); Part 5 (August 1832); Part 6 (April 1834); Part 7 (1834?, published after Say's death; edited by T. A. Conrad)., available online at http://biodiversitylibrary.org/page/7959266
page(s): 3: pl. 23 [details]
original description
(of Unio sayii Ward, 1839) Tappan, B. (1839). Description of some new shells. The American Journal of Science and Arts, 35: 268-270.
page(s): 268, pl. 3, fig. 1 [details]
original description
(of Unio symmetricus I. Lea, 1845) Lea, I. (1845). Descriptions of new fresh water and land shells. <em>Proceedings of the American Philosophical Society.</em> 4(33): 162-168 [5 December 1845]., available online at http://biodiversitylibrary.org/page/33100618
page(s): 164 [details]
original description
(of Unio manubius A. Gould, 1855) Gould, A. A. (1855). New species of land and fresh-water shells from western (N.) America. <em>Proceedings of the Boston Society of Natural History.</em> 5: 228-229., available online at http://biodiversitylibrary.org/page/8871366
page(s): 229. [details]
original description
(of Unio jamesianus I. Lea, 1857) Lea, I. (1857). Description of eight new species of naïades from various parts of the United States. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 9: 84 [after 31 March 1857, before 7 January 1858]., available online at http://biodiversitylibrary.org/page/6330348
page(s): 84 [details]
original description
(of Unio electrinus Reeve, 1865) Reeve, L. A. (1864-1865). Monograph of the genus <i>Unio</i>. In: <i>Conchologica Iconica, or, illustrations of the shells of molluscous animals</i>. Vol. 16: pls 2-30 [stated dates: pls. 2-13, Aug. 1864; 14, Sept. 1864; 15-18, Nov. 1864; 19, 20, Jan. 1865; 21-25, Apr. 1865; 26-30, Jun. 1865 [pl. 30 as “1856”]., available online at http://biodiversitylibrary.org/page/9133053 [details]
original description
(of Unio sayanus Conrad, 1838) Conrad, T. A. (1835-1838). <i>Monography of the family Unionidae, or naiades of Lamarck, (fresh water bivalve shells), of North America, illustrated by figures drawn on stone from nature</i>. Philadelphia: Dobson. 1: 1-12, pls 1-5 [1835]; 8: 65-72, pls. 36-40 [1837]; 10: 81-94, pls 46-51 [1838]; 11: 95-102, pls 52-56 [1838]. , available online at http://biodiversitylibrary.org/page/4206381
page(s): 102-103, pl. 56, fig. 2 [details]
basis of record
Williams, J. D., Butler, R. S., Warren, G. L. & Johnson, N. A. (2014). Freshwater Mussels of Florida. <em>University of Alabama Press, Tuscaloosa.</em> 498 pp. [details]
additional source
InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
From editor or global species database
From other sources