Crooked Creek (Miocene of the United States)

Also known as UCMP V-3334

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

• coordinate based on political unit

• small collection-level geographic resolution

When: Cap Rock Member (Ash Hollow Formation), Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: S. D. Webb. 1969. The Burge and Minnechaduza Clarendonian Mammalian Faunas of North-Central Nebraska. University of California Publications in Geological Sciences 78:1-191 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18108: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• originally described by Stirton and McGrew 1935
Mammalia
 Perissodactyla - Equidae
Hypohippus sp. Leidy 1858 anchitheriine horse
Equinae indet.1 Steinmann and Döderlein 1890 horse
Pseudhipparion gratum Leidy 1869 hipparionine horse
Hippotherium sp.1 Kaup 1832 hipparionine horse
Equini indet.1 Quinn 1955 horse
Calippus placidus Leidy 1869 horse
 Perissodactyla - Rhinocerotidae
Teleoceras sp. Hatcher 1894 rhinoceros
Aphelops megalodus2 Cope 1873 rhinoceros
pers. commun.
 Artiodactyla - Merycoidodontidae
Merychyus sp.1 Leidy 1858 oreodont
 Artiodactyla - Camelidae
Procamelus grandis Gregory 1939 camel
 Artiodactyla - Palaeomerycidae
Palaeomerycidae indet. Lydekker 1883 ruminant