Dry Creek Prospect A (Miocene of the United States)

Where: Box Butte County, Nebraska (42.2° N, 103.1° W: paleocoordinates 42.9° N, 99.2° W)

• coordinate based on political unit

When: Red Valley Member (Box Butte Formation), Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: T. Galusha. 1975. Stratigraphy of the Box Butte Formation, Nebraska. Bulletin of the American Museum of Natural History 156(1) [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17895: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• "53" specimens
Show authors, comments, and common names
Mammalia
 Carnivora - Canidae
Cynarctoides cf. acridens
Cynarctoides cf. acridens Barbour and Cook 1914 bone-crushing dog
confirmed by Wang et al. 1999
 Perissodactyla - Equidae
Acritohippus tertius1, Archaeohippus sp.
Acritohippus tertius1 Osborn 1918 horse
Archaeohippus sp. Gidley 1906 anchitheriine horse
 Perissodactyla - Rhinocerotidae
Aphelops sp., Galushaceras levellorum n. gen. n. sp.2, Teleoceras americanum2
Aphelops sp. Owen 1845 rhinoceros
Galushaceras levellorum n. gen. n. sp.2 Prothero 2005 rhinoceros
said to be a new genus
Teleoceras americanum2 Yatkola and Tanner 1979 rhinoceros
"Dry Creek Prospect"
 Artiodactyla - Merycoidodontidae
Brachycrus sp.
Brachycrus sp. Matthew 1901 oreodont
1Mihlbachler et al. 2011; 2Prothero 2005