Otis Basin (Neogene of the United States)
Also known as UO 2347
Where: Harney County, Oregon (42.7° N, 118.7° W: paleocoordinates 43.1° N, 117.0° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Tuff Sandstone Member (Drewsey Formation), Hemphillian (10.3 - 4.9 Ma)
Environment/lithology: terrestrial; lithology not reported
Primary reference: J. A. Shotwell. 1970. Pliocene mammals of southeast Oregon and adjacent Idaho. Bulletin of the Museum of Natural History, University of Oregon 17:1-103 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 18999: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• slightly revised from Shotwell 1963b
stratigraphic position based on Bowen et al. 1963
KA date of 9.4 +/- 0.6 Ma (sanidine) on the conformably underlying Welded Tuff Mbr.; high-error whole-rock date on uncomformably overlying Drinkwater Basalt also available: Tedford et al. 1987
stratigraphic position based on Bowen et al. 1963
KA date of 9.4 +/- 0.6 Ma (sanidine) on the conformably underlying Welded Tuff Mbr.; high-error whole-rock date on uncomformably overlying Drinkwater Basalt also available: Tedford et al. 1987
Show authors, comments, and common names
Mammalia | |
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Mammut sp. Blumenbach 1799 mastodon | |
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? Teleoceras sp. Hatcher 1894 rhinoceros | |
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Scapanus cf. proceridens Hutchison 1968 mole | |
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Liodontia furlongi Gazin 1932 mountain beaver | |
Spermophilus sp. Cuvier 1825 ground squirrel | |
Pliosaccomys sp. Wilson 1936 pocket gopher |