MolluscaBase taxon details
original description
Pilsbry, H. A. (1930). Anatomy and relationships of some American Helicidae and Polygyridae. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 82: 303-327, plate 23-27. page(s): 315 [details] Available for editors [request]
original description
(of Polygyra (Acutidens) Pilsbry, 1956) Pilsbry, H. A. (1956). Inland Mollusca of Northern Mexico. III. Polygyridae and Potadominae. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 108: 19-40. page(s): 26 [details] Available for editors [request]
original description
(of Polygyra (Erymodon) Pilsbry, 1956) Pilsbry, H. A. (1956). Inland Mollusca of Northern Mexico. III. Polygyridae and Potadominae. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 108: 19-40. page(s): 20 [details] Available for editors [request]
original description
(of Polygyra (Monophysis) Pilsbry, 1956) Pilsbry, H. A. (1956). Inland Mollusca of Northern Mexico. III. Polygyridae and Potadominae. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 108: 19-40. page(s): 25 [details] Available for editors [request]
original description
(of Polygyra (Solidens) Pilsbry, 1956) Pilsbry, H. A. (1956). Inland Mollusca of Northern Mexico. III. Polygyridae and Potadominae. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 108: 19-40. page(s): 27 [details] Available for editors [request]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details] 
additional source
Emberton, K. C. (1995). When shells do not tell: 145 million years of evolution in North America's polygyrid land snails, with a revision and conservation priorities. <em>Malacologia.</em> 37(1): 69-110. Ann Arbor., available online at https://www.biodiversitylibrary.org/page/13113494 page(s): 89-90 [details]
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