Walker, B. (1905). A new species of <i>Medionidus</i>. <em>The Nautilus.</em> 18(12): 136-137, plate 9., available online athttp://biodiversitylibrary.org/page/1817113 page(s): 136-137, pl. 9, figs. 4, 5 [details]
Type locality contained in USA
type locality contained in USA (origin: native) [details]
original descriptionWalker, B. (1905). A new species of <i>Medionidus</i>. <em>The Nautilus.</em> 18(12): 136-137, plate 9., available online athttp://biodiversitylibrary.org/page/1817113 page(s): 136-137, pl. 9, figs. 4, 5 [details]
basis of recordWilliams, 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 sourceInvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
source of synonymyClench, W. J. & Turner, R. D. (1956). Freshwater mollusks of Alabama, Georgia, and Florida from the Escambia to the Suwannee River. <em>Bulletin of the Florida State Museum, Biological Sciences.</em> 1(3): 97-239, pls. 1-9., available online athttps://www.floridamuseum.ufl.edu/wp-content/uploads/sites/35/2017/03/Vol-1-No-3.pdf page(s): 189; note: As a synonym of Medionidus penicillatus (I. Lea, 1857). [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Name for the American malacologist, Charles Torrey Simpson (1846-1932). [details] Type locality Calvary, Georgia [details]