original description(ofCerion (Paracerion) tridentatum f. costellata Pilsbry, 1946)Pilsbry, H. A. (1946). Land Mollusca of North America (north of Mexico). Volume II Part 1. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-viii, 1-520, 1 plate. Philadelphia [6 December]. page(s): 168, figs. 80b-d [details] Available for editors [request]
basis of recordInvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
Present Inaccurate Introduced: alien Containing type locality