Merychippus Draw (Neogene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 42.7° N, 102.1° W)

• coordinate based on political unit

When: Johnson Member (Snake Creek Formation), Hemphillian (10.3 - 4.9 Ma)

Environment/lithology: terrestrial

Primary reference: M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18258: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• no fauna reported, but stratigraphic and geographic data given
Mammalia
 Carnivora - Canidae
Epicyon saevus3 Leidy 1858 bone-crushing dog
"Merychippus Draw, Hipparion Affine Channel"
 Artiodactyla - Antilocapridae
? Texoceros altidens1 Matthew 1924 pronghorn
"Hipparion affine Zone, Merychippus Draw"
 Perissodactyla - Rhinocerotidae
Teleoceras major2 Hatcher 1894 rhinoceros
"Hipparion affine channel in Merychippus Draw"
Aphelops mutilus2 Matthew 1924 rhinoceros