MolluscaBase name details
original description
(of Pupa contracta Say, 1822) Say, T. 1822. Description of univalve terrestrial and fluviatile shells of the United States. <em>Journal of the Academy of Natural Sciences of Philadelphia</em> 2(2): 370-381 , available online at http://biodiversitylibrary.org/page/36831560 page(s): 374 [details]
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
basis of record
Schileyko, A. A. (1998). Treatise on Recent terrestrial pulmonate molluscs. Part 2. Gastrocoptidae, Hypselostomatidae, Vertiginidae, Truncatellinidae, Pachnodidae, Enidae, Sagdidae. <em>Ruthenica.</em> Supplement 2: 129-261. Moskva [November]. page(s): 131, fig. 144 [details]
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