MolluscaBase taxon details
original description
(of Bifidaria armifera var. similis Sterki, 1909) Sterki, V. (1909). <i>Bifidaria armifera</i> Say, and its varieties. <em>The Nautilus.</em> 23(4): 52-54., available online at https://www.biodiversitylibrary.org/page/5314489
page(s): 53 [details]
original description
(of Bifidaria armifera var. affinis Sterki, 1909) Sterki, V. (1909). <i>Bifidaria armifera</i> Say, and its varieties. <em>The Nautilus.</em> 23(4): 52-54., available online at https://www.biodiversitylibrary.org/page/5314489
page(s): 53 [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]
additional source
Hubricht, L. (1972). <i>Gastrocopta armifera</i> (Say). <em>The Nautilus.</em> 85(3): 73-78., available online at https://www.biodiversitylibrary.org/page/8516177
page(s): 73, 75 [details]