MolluscaBase name details
Polygyra dallii (Stearns, 1885) †
1338756 (urn:lsid:marinespecies.org:taxname:1338756)
unaccepted > superseded combination
Species
fossil only
(of Helix (Mesodon) dallii Stearns, 1885 †) White, C.A. (1885). On Marine Eocene, fresh-water Miocene, and other fossil Mollusca of western North America. <em>United States Geological Survey Bulletin.</em> 18: 1-26.
page(s): 178-179, pl. 3, figs 4-6 [details]
page(s): 178-179, pl. 3, figs 4-6 [details]
MolluscaBase eds. (2021). MolluscaBase. Polygyra dallii (Stearns in White, 1885) †. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1338756 on 2025-09-11
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original description
(of Helix (Mesodon) dallii Stearns, 1885 †) White, C.A. (1885). On Marine Eocene, fresh-water Miocene, and other fossil Mollusca of western North America. <em>United States Geological Survey Bulletin.</em> 18: 1-26.
page(s): 178-179, pl. 3, figs 4-6 [details]
basis of record Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 143 [details] Available for editors
[request]
page(s): 178-179, pl. 3, figs 4-6 [details]
basis of record Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 143 [details] Available for editors
[request]