MolluscaBase taxon details
original description
(of Helix (Mesodon) columbiana var. armigera Ancey, 1881) Ancey, C. F. (1881). De quelques mollusques nouveaux ou peu connus. <em>Le Naturaliste.</em> 1(51): 403-404.
page(s): 404 [details]
original description
(of Mesodon columbiana var. dentata 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): 42 [details]
basis of record
Roth, B. & Sadeghian, P.S. (2003). Checklist of the land snails and slugs of California. <em>Santa Barbara Museum of Natural History, Contributions in Science.</em> 3: 1-81.
page(s): 36 [details] Available for editors [request]
additional source
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): 86 [details]