Merritt Dam Type Section (Miocene of the United States)

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.3° N, 98.2° W)

• coordinate based on political unit

When: Merritt Dam Member (Ash Hollow Formation), Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial

Primary reference: M. F. Skinner and F. W. Johnson. 1984. Tertiary stratigraphy and the Frick Collection of fossil vertebrates from north-central Nebraska. Bulletin of the American Museum of Natural History 178(3):1-368 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18257: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Tapiridae
? Tapirus johnsoni Schultz et al. 1975 tapir
 Perissodactyla - Equidae
Hippotherium sp. Kaup 1832 hipparionine horse
 Artiodactyla - Tayassuidae
Macrogenis crassigenis Matthew and Gidley 1904 peccary
 Artiodactyla - Camelidae
Hemiauchenia sp. Gervais and Ameghino 1880 camel
 Rodentia - Mylagaulidae
Mylagaulidae indet. Cope 1881 rodent