MolluscaBase name details
Unio cylindricoides Whitfield, 1907 †
1502733 (urn:lsid:marinespecies.org:taxname:1502733)
unaccepted > superseded combination
Species
fossil only
Whitfield, R.P. (1907). Remarks on and descriptions of new fossil Unionidae from the Laramie clays of Montana. <em>Bulletin of the American Museum of Natural History.</em> 23(26): 623-628., available online at http://digitallibrary.amnh.org/handle/2246/650
page(s): 626, pl. 38, figs 1-7, pl. 39, figs 1-3 [details]
page(s): 626, pl. 38, figs 1-7, pl. 39, figs 1-3 [details]
Holotype AMNH 26294
, Note "130 miles northwest of Miles City, Montana,...
Holotype AMNH 26294 [details]
Type locality "130 miles northwest of Miles City, Montana, 180 feet above Pierre shales", USA; Laramie Fm., Maastrichtian, Late Cretaceous [details]
MolluscaBase eds. (2021). MolluscaBase. Unio cylindricoides Whitfield, 1907 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1502733 on 2025-09-11
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original description
Whitfield, R.P. (1907). Remarks on and descriptions of new fossil Unionidae from the Laramie clays of Montana. <em>Bulletin of the American Museum of Natural History.</em> 23(26): 623-628., available online at http://digitallibrary.amnh.org/handle/2246/650
page(s): 626, pl. 38, figs 1-7, pl. 39, figs 1-3 [details]
basis of record Watters, G. T. (2001). The evolution of the Unionacea in North America, and its implications for the worldwide fauna. <em>In: Bauer, G.; Wächtler, K. (eds) Ecology and evolution of the freshwater mussels Unionoida. Springer, Berlin, Heidelberg.</em> pp. 281-307.
page(s): 288, 290, fig. 15.16 [details] Available for editors
[request]
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): 87 [details] Available for editors [request]
page(s): 626, pl. 38, figs 1-7, pl. 39, figs 1-3 [details]
basis of record Watters, G. T. (2001). The evolution of the Unionacea in North America, and its implications for the worldwide fauna. <em>In: Bauer, G.; Wächtler, K. (eds) Ecology and evolution of the freshwater mussels Unionoida. Springer, Berlin, Heidelberg.</em> pp. 281-307.
page(s): 288, 290, fig. 15.16 [details] Available for editors
[request]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): 87 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
Holotype AMNH 26294 [details]
From editor or global species database
Type locality "130 miles northwest of Miles City, Montana, 180 feet above Pierre shales", USA; Laramie Fm., Maastrichtian, Late Cretaceous [details]
