MolluscaBase name details
original description
(of Helix labrosa Bland, 1862) Bland, T. (1861). Remarks on certain species of North American Helicidae. <em>Annals of the Lyceum of Natural History of New York.</em> 7(30): 420-446 (Dec. 1861), 7(31): 447-448, plate 4 (Feb. 1862)., available online at https://www.biodiversitylibrary.org/page/16227889
page(s): 430, pl. 4, fig. 19 [details]
basis of record
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 [details]