MolluscaBase taxon details
original description
(of Pilsbryna tridens J. P. E. Morrison, 1935) Morrison, J. P. E. (1935). Three new land shells from the southern United States. <em>Journal of the Washington Academy of Sciences.</em> 25(12): 545-547., available online at https://www.biodiversitylibrary.org/page/39872118
page(s): 546, figs.1-3 [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]
source of synonymy
Hubricht, L. (1964). <i>Helicodiscus tridens</i> and <i>H. aldrichiana</i>. <em>The Nautilus.</em> 78(1): 28., available online at https://www.biodiversitylibrary.org/page/8521323 [details]
new combination reference
Slapcinsky, J. & Coles, B. (2004). Revision of the genus <i>Pilsbryna</i> (Gastropoda: Pulmonata: Gastrodontidae) and comments on the taxonomic status of <i>Pilsbryna tridens</i> Morrison, 1935. <em>The Nautilus.</em> 118(2): 55-70. Philadelphia. [details]