MolluscaBase taxon details
original description
(of Helix fallax Say, 1825) Say, T. (1825). Descriptions of some new species of fresh water and land shells of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 5(1): 119-131, available online at http://biodiversitylibrary.org/page/24657165
page(s): 119 [details]
original description
(of Helix introferens Bland, 1860) Bland, T. (1860). Remarks on certain species of North American Helicidae. <em>Annals of the Lyceum of Natural History of New York.</em> 7: 115-142, plate 4., available online at https://www.biodiversitylibrary.org/page/16227568
page(s): 117-118, pl. 4, figs. 3-4 [details]
original description
(of Triodopsis fallax affinis Hubricht, 1954) Hubricht, L. (1954). A new subspecies of <i>Triodopsis fallax</i> (Say). <em>The Nautilus.</em> 68(1): 28-30., available online at https://www.biodiversitylibrary.org/page/8516507
page(s): 28 [details]
original description
(of Triodopsis introferens var. minor Tryon, 1867) Tryon, G. W. (1867). Monograph of the terrestrial Mollusca of the United States. <em>American Journal of Conchology.</em> 3(1): 34-80, plates 7-10., available online at https://www.biodiversitylibrary.org/page/6658682
page(s): 51 [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
Lee, H. G. (2010). Gettleman key to probe of major reversals. <em>American Conchologist.</em> 38(4): 6-11., available online at https://conchologistsofamerica.org/wp-content/uploads/2019/01/38-dec-2010.pdf
page(s): 9 [details]