original description
(of Helix suppressa Say, 1829) Say T. (1829). Descriptions of some new terrestrial and fluviatile shells of North America. <em>The Disseminator of Useful Knowledge; containing hints to the youth of the U. States, from the School of Industry.</em> 2(15): 229-230 [29 July 1829].
page(s): 229 [details]
original description
(of Ventridens (Ventridens) suppressus divisidens 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): 442, figs. 236 d-e [details] Available for editors [request]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
From editor or global species database