Also known as UNSM Bw-107
Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.3° N, 96.7° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Cornell Dam Member (Valentine Formation), Barstovian (16.3 - 12.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UNSM
Primary reference: M. R. Voorhies. 1990. Vertebrate paleontology of the proposed Norden Reservoir Area, Brown, Cherry and Keya Paha counties, Nebraska. Technical Report, Division of Archeological Research, Department of Anthropology, University of Nebraska 82-09 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 18090: authorized by John Alroy, entered by John Alroy on 05.08.1992
Creative Commons license: CC BY (attribution)
Taxonomic list
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"Copemys cf. niobrariensis" = Copemys longidens2
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"Tamiini indet." = Marmotini1
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Merychippus insignis2, Hipparionini indet.1, Protohippus sp.2, Calippus proplacidus1, cf. Parahippus cognatus2, Hypohippus osborni2
Protohippus sp.2 Leidy 1858 horse said to be a new species; less hypsodont, more complex fossettes than P. perditus
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