MolluscaBase name details
Sphaerium formosum (Meek & Hayden, 1856) †
1500496 (urn:lsid:marinespecies.org:taxname:1500496)
unaccepted > superseded combination
Species
- Variety Sphaerium formosum var. whiteavesi L. S. Russell, 1926 † accepted as Eupera formosa whiteavesi (L. S. Russell, 1926) † (unaccepted > superseded combination)
fossil only
(of Cyclas formosa Meek & Hayden, 1856 †) Meek, F.B.; Hayden, F.V. (1856). Descriptions of New Species of Acephala and Gastropoda, from the Tertiary formations of Nebraska Territory, with some general remarks on the Geology of the country about the sources of the Missouri River. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 8: 111-126., available online at https://www.biodiversitylibrary.org/page/1935165
page(s): 115 [details]
page(s): 115 [details]
MolluscaBase eds. (2025). MolluscaBase. Sphaerium formosum (Meek & Hayden, 1856) †. Accessed at: https://www.molluscabase.org/aphia.php/aphia.php?p=taxdetails&id=1500496 on 2025-09-11
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original description
(of Cyclas formosa Meek & Hayden, 1856 †) Meek, F.B.; Hayden, F.V. (1856). Descriptions of New Species of Acephala and Gastropoda, from the Tertiary formations of Nebraska Territory, with some general remarks on the Geology of the country about the sources of the Missouri River. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 8: 111-126., available online at https://www.biodiversitylibrary.org/page/1935165
page(s): 115 [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): 115-116 [details] Available for editors
[request]
basis of record Russell, L.S. (1974). Fauna and Correlation of the Ravenscrag Formation (Paleocene) of Southwestern Saskatchewan. <em>Royal Ontario Museum and University of Toronto, Life Sciences, Contributions.</em> 102: 1-53., available online at https://archive.org/details/faunacorrelation00russ
page(s): 116-117 [details] Available for editors [request]
page(s): 115 [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): 115-116 [details] Available for editors
[request]basis of record Russell, L.S. (1974). Fauna and Correlation of the Ravenscrag Formation (Paleocene) of Southwestern Saskatchewan. <em>Royal Ontario Museum and University of Toronto, Life Sciences, Contributions.</em> 102: 1-53., available online at https://archive.org/details/faunacorrelation00russ
page(s): 116-117 [details] Available for editors
[request]