Rosetta Stone (Upper) (Miocene of the United States)

Also known as UNSM Bw-108A, in part

Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.2° N, 96.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Miocene (23.0 - 5.3 Ma)

Environment/lithology: terrestrial

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

PaleoDB collection 18354: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

• from a level about 30 m above the main quarry
Mammalia
 Perissodactyla - Equidae
Protohippus perditus2 Leidy 1858 horse
 Artiodactyla - Antilocapridae
Merycodus warreni2 Leidy 1858 pronghorn
 Artiodactyla - Palaeomerycidae
Cranioceratini indet.1 Frick 1937 ruminant