MolluscaBase taxon details
Sphaerium cynodon G. D. Hanna, 1923 †
1501614 (urn:lsid:marinespecies.org:taxname:1501614)
accepted
Species
fossil only
Hanna, G. D. (1923). Upper Miocene lacustrine mollusks from Sonoma County, California. <em>Proceedings of the California Academy of Sciences, fourth series.</em> 12(3): 31-41., available online at https://www.biodiversitylibrary.org/page/15974899
page(s): 35-36, pl. 1, figs 4-6 [details]
page(s): 35-36, pl. 1, figs 4-6 [details]
Holotype CAS 514
, Note CAS loc. 417, in Haggin Creek, about 200 feet...
Holotype CAS 514 [details]
Type locality CAS loc. 417, in Haggin Creek, about 200 feet below bridge, one mile southeast of Penn Grove, Santa Rosa Quadrangle, Sonoma County, California, USA; late Hemphillian, late Miocene to earliest Pliocene [details]
MolluscaBase eds. (2025). MolluscaBase. Sphaerium cynodon G. D. Hanna, 1923 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1501614 on 2025-04-30
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original description
Hanna, G. D. (1923). Upper Miocene lacustrine mollusks from Sonoma County, California. <em>Proceedings of the California Academy of Sciences, fourth series.</em> 12(3): 31-41., available online at https://www.biodiversitylibrary.org/page/15974899
page(s): 35-36, pl. 1, 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): 115 [details] Available for editors
[request]
page(s): 35-36, pl. 1, 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): 115 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
Holotype CAS 514 [details]
From editor or global species database
Type locality CAS loc. 417, in Haggin Creek, about 200 feet below bridge, one mile southeast of Penn Grove, Santa Rosa Quadrangle, Sonoma County, California, USA; late Hemphillian, late Miocene to earliest Pliocene [details]
