original description
(of Bifidaria duplicata Sterki, 1912) Sterki, V. (1912). Drift shells from Texas. <em>The Nautilus.</em> 25(10): 115-117., available online at https://www.biodiversitylibrary.org/page/1818306
page(s): 116 [details]
original description
(of Gastrocopta procera sterkiana Pilsbry, 1917) Pilsbry, H. A. (1916-1918). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 24: Pupillidae (Gastrocoptinae). pp 1-380, pls 1-49. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-112, Pl. 1-13, 18 Dec 1916; pp. 113-176, pl. 14-29, 18 July 1917; pp. 177-256, pl. 30-38, 09 Nov 1917; pp. 257-380, i-xii, pl. 39-49, 24 April 1918]. <em>Manual of Conchology.</em> (2)14: 113-256, pls. 14-38., available online at https://www.biodiversitylibrary.org/page/1295231
page(s): 65 [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]
From editor or global species database