MolluscaBase taxon details
Sphaerium gemma Dall, 1924 †
1501615 (urn:lsid:marinespecies.org:taxname:1501615)
accepted
Species
fossil only
Dall, W. H. (1924). <i>Report on Tertiary fossils from Brock River</i>. In: Chipman, K.G.; Cox, J.R.; O'Neill, J.J. (Ed.) Report of the Canadian Arctic Expedition 1913-18. Volume XI: Geology and Geography. Part A: The Geology of the Arctic Coast of Canada. F. A. Acland, Ottawa, pp. 27-28, pl. 35.
page(s): 27-28, pl. 35, figs 5-8 [details]
page(s): 27-28, pl. 35, figs 5-8 [details]
Type locality contained in Northwest Territories
, Note Brock River, Arctic Canada; early Cenozoic (?)
type locality contained in Northwest Territories [details]
Type locality Brock River, Arctic Canada; early Cenozoic (?) [details]
MolluscaBase eds. (2025). MolluscaBase. Sphaerium gemma Dall, 1924 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1501615 on 2025-04-30
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original description
Dall, W. H. (1924). <i>Report on Tertiary fossils from Brock River</i>. In: Chipman, K.G.; Cox, J.R.; O'Neill, J.J. (Ed.) Report of the Canadian Arctic Expedition 1913-18. Volume XI: Geology and Geography. Part A: The Geology of the Arctic Coast of Canada. F. A. Acland, Ottawa, pp. 27-28, pl. 35.
page(s): 27-28, pl. 35, figs 5-8 [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): 116 [details] Available for editors
[request]
page(s): 27-28, pl. 35, figs 5-8 [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): 116 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality Brock River, Arctic Canada; early Cenozoic (?) [details]
