MolluscaBase name details
original description
(of Planorbis (Pierosoma) 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): 81, 85 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent freshwater/brackish Gastropoda of the World. Last update: January 24th, 2018. OpenAccess publication. [details]