Traits name details
original description
Pilsbry, H. A. (1897-1898). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 11: American Bulimulidae: <i>Bulimulus, Neopetraeus, Oxychona</i>, and South American <i>Drymaeus</i>. pp 1-339, pls 1-51. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-13, May 11, 1897; pp. 65-144, pls. 14-25, Oct. 15, 1897; pp. 145-208, pls. 27-41, May 3, 1898; pp. 209-339, pls. 26, 42-51, Dec. 7, 1898]. , available online at https://biodiversitylibrary.org/page/1101398 page(s): 297 [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 
additional source
Vernhout, J. H. (1914). The non-marine molluscs of Surinam. <em>Notes from the Leyden Museum.</em> 36: 1-46, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/14021311 page(s): 11, 40, 42 [details]
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