MolluscaBase taxon details
original description
(of Helix vancouverensis I. Lea, 1838) Lea, I. (1838). Description of new freshwater and land shells. <em>Transactions of the American Philosophical Society.</em> new ser., 6: 1-154, plates 1-24., available online at https://www.biodiversitylibrary.org/page/26881423 page(s): 87, pl. 23, fig. 72 [details]
original description
(of Circinaria vancouverensis var. chocolata Dall, 1905) Dall, W. H. (1905). <i>Land and fresh water mollusks of Alaska and adjoining regions</i>. in: <i>Alaska. Harriman Alaska Expedition with cooperation of Washington Academy of Sciences</i>. vol. 13: i-vii + 1-171. , available online at https://www.biodiversitylibrary.org/page/21386445 page(s): 34 [details]
original description
(of Helix vellicata Forbes, 1850) Forbes, E. (1850). On species of Mollusca collected during the surveying voyages of the Herald and Pandora, by Capt. Kellett, R.N., C.B., and Lieut. Wood, R.N. 1. on the land-shells collected during the voyage. <em>Proceedings of the Zoological Society of London.</em> 18: 53-56, pl. 9., available online at https://www.biodiversitylibrary.org/page/59278541 page(s): 55, pl. 9, figs. 1a-c [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
Brunson, R. B. & Osher, U. (1957). <i>Haplotrema</i> from western Montana. <em>The Nautilus.</em> 70(4): 121-123., available online at https://www.biodiversitylibrary.org/page/8520790 [details]
additional source
Porter, C. A. (1965). Comparison of genitalia of two sympatric species of <i>Haplotrema</i>. <em>The Nautilus.</em> 79(1): 19-23, figs. 1-4., available online at https://www.biodiversitylibrary.org/page/8517440 [details]
| |