MolluscaBase taxon details
original description
(of Polygyra monodon var. friersoni Pilsbry, 1899) Pilsbry, H. A. (1899). A new variety of <i>Polygyra monodon</i>. <em>The Nautilus.</em> 13(3): 36., available online at https://www.biodiversitylibrary.org/page/3758244
page(s): 36 [details]
original description
(of Polygyra (Stenotrema) monodon var. aliciae Pilsbry, 1893) Pilsbry, H. A. (1892-1893). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 8: Helicidae, vol. 6. pp 1-314, pls 1-58. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-48, pls 1-15, 25 July 1892; pp. 49-112, pls 16-27, 16 Nov 1892; pp. 113-160, pls 28-41, 25 Feb 1893; pp. 161-314, pls 42-58, 1 July 1893]. , available online at https://biodiversitylibrary.org/page/23736486
page(s): 152 [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]