MolluscaBase name details
Unio stewardi utahensis Yen, 1952 †
1568728 (urn:lsid:marinespecies.org:taxname:1568728)
unaccepted > superseded combination
Subspecies
fossil only
Yen, T.-C. (1952). Molluscan Fauna of the Morrison Formation. <em>United States Geological Survey Professional Paper.</em> 233-B: 21-51.
page(s): 36, pl. 3, fig. 3a-e [details] Available for editors
[request]
page(s): 36, pl. 3, fig. 3a-e [details] Available for editors
[request]
Holotype USNM 106989
, Note "Locality 23. Forty feet above base of...
Holotype USNM 106989 [details]
Type locality "Locality 23. Forty feet above base of Morrison formation; 1,000 feet due south of the bridge over San Rafael River on Hanksville Green River Road, about 15 miles SW. of Green River, Emery County, Utah" (USA) [details]
MolluscaBase eds. (2024). MolluscaBase. Unio stewardi utahensis Yen, 1952 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1568728 on 2025-03-17
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original description
Yen, T.-C. (1952). Molluscan Fauna of the Morrison Formation. <em>United States Geological Survey Professional Paper.</em> 233-B: 21-51.
page(s): 36, pl. 3, fig. 3a-e [details] Available for editors [request]
page(s): 36, pl. 3, fig. 3a-e [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
Holotype USNM 106989 [details]
From editor or global species database
Type locality "Locality 23. Forty feet above base of Morrison formation; 1,000 feet due south of the bridge over San Rafael River on Hanksville Green River Road, about 15 miles SW. of Green River, Emery County, Utah" (USA) [details]
