MolluscaBase taxon details
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]
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): 87 [details]
additional source
Emberton, K. C. (1994). Polygyrid land snail phylogeny: external sperm exchange, early North American biogeography, iterative shell evolution. <em>Biological Journal of the Linnean Society.</em> 52(3): 241-271. [details] Available for editors [request]