MolluscaBase taxon details
original description
(of Helicodiscus (Hebetodiscus) intermedius J. P. E. Morrison, 1942) Morrison, J. P. E. (1942). Preliminary report on mollusks found in the shell mounds of the Pickwick landing basin in the Tennessee River Valley. <em>Bureau of American Ethnology, Bulletin.</em> 129: 337-392., available online at https://www.biodiversitylibrary.org/page/27424799 page(s): 378 [details] Available for editors [request]
original description
(of Helicodiscus (Hebetodiscus) singleyanus inermis H. B. Baker, 1929) Baker, H. B. (1929). New southern Appalachian land snails. <em>The Nautilus.</em> 42(3): 86-93, pl. 3., available online at https://biodiversitylibrary.org/page/34681721 page(s): 86, pl. 3, figs. 1-3 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
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