MolluscaBase name details
original description
(of Helix areolata L. Pfeiffer, 1845) Pfeiffer, L. (1845). Diagnosen einiger neuer Heliceen. <em>Zeitschrift für Malakozoologie.</em> 2: 152–158., available online at https://biodiversitylibrary.org/page/16291740
page(s): 154 [details]
basis of record
Pilsbry, H. A. (1913). Notes upon some lower Californian helices. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 65(2): 380-393, plates 15-16., available online at https://www.biodiversitylibrary.org/page/26307359
page(s): 390-393, pl. 16, figs. 25-33, text-figures 2a-c [details]
additional source
Pilsbry, H. A. (1927). Expedition to Guadalupe Island, Mexico in 1922. Land and freshwater mollusks. <em>Proceedings of the California Academy of Sciences.</em> (4) 16(7): 159-203, plates 6-12., available online at https://www.biodiversitylibrary.org/page/3174272
page(s): 180 [details] Available for editors [request]