MolluscaBase taxon details
Physa secalina J. Evans & Shumard, 1856 †
1260727 (urn:lsid:marinespecies.org:taxname:1260727)
accepted
Species
fossil only
Evans, J. & Shumard, B. F. (1856). Descriptions of new fossil species from the fresh water Tertiary Formation of Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 7: 164-165., available online at https://www.biodiversitylibrary.org/page/26299385
page(s): 165 [details]
page(s): 165 [details]
Note Poeno Creek ("Nebraska Territory, in the...
Type locality Poeno Creek ("Nebraska Territory, in the vicinity of Peno Creek, a small tributary of Teton or Little Missouri River, about ninety miles from Fort Pierr Chouteau"), Pennington County, South Dakota, United States; White River Formation, late Eocene to early Oligocene [details]
MolluscaBase eds. (2021). MolluscaBase. Physa secalina Evans & Shumard, 1856 †. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=1260727 on 2025-09-11
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original description
Evans, J. & Shumard, B. F. (1856). Descriptions of new fossil species from the fresh water Tertiary Formation of Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 7: 164-165., available online at https://www.biodiversitylibrary.org/page/26299385
page(s): 165 [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): 261 [details] Available for editors
[request]
page(s): 165 [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): 261 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Poeno Creek ("Nebraska Territory, in the vicinity of Peno Creek, a small tributary of Teton or Little Missouri River, about ninety miles from Fort Pierr Chouteau"), Pennington County, South Dakota, United States; White River Formation, late Eocene to early Oligocene [details]
