Traits name details
original description
(of ) Cockerell, T. D. A. (1891). Mollusca. Bibliography. <em>The British Naturalist.</em> 1(5): 98-101., available online at https://www.biodiversitylibrary.org/page/45849298 page(s): 100 [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. page(s): 99; note: As Vertigo gouldi coloradoensis [details] Available for editors 
additional source
Pilsbry, H. A. (1948). Land Mollusca of North America (north of Mexico). Volume II Part 2. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-xlvii, 521-1113. Philadelphia [19 March]. page(s): 974 [details] Available for editors 
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