North Ridge Highway 85 ( of the United States)

Where: Niobrara County, Wyoming (43.0° N, 104.5° W)

• Paleocoordinates: 47.7° N, 94.0° W (Wright 2013)

• coordinate based on political unit

When: Harrisonian (24.8 - 18.5 Ma)

Environment/lithology: terrestrial

Primary reference: X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17815: authorized by John Alroy, entered by John Alroy on 18.10.1995, edited by Jonathan Marcot

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Carnivora - Canidae
Desmocyon thomsoni4, Leptocyon gregorii3, Paraenhydrocyon wallovianus, Paraenhydrocyon josephi, Enhydrocyon crassidens
Desmocyon thomsoni4 Matthew 1907 bone-crushing dog
Leptocyon gregorii3 Matthew 1907 canine
Paraenhydrocyon wallovianus Cope 1881 canid
North Ridge, 0.5 mi W of Highway 85, Harrison Fm.
Paraenhydrocyon josephi Cope 1881 canid
North Ridge, 10 mi N of Lusk
Enhydrocyon crassidens Matthew 1907 canid
North Ridge Highway 85, 10 mi N of Lusk
 Perissodactyla - Rhinocerotidae
Diceratherium annectens1, Diceratherium armatum1
Diceratherium annectens1 Marsh 1873 rhinoceros
"North Ridge, 0.5 mile west of Highway 85"
Diceratherium armatum1 Marsh 1875 rhinoceros
"North Ridge locality"
 Artiodactyla - Merycoidodontidae
"Promerycochoerus carrikeri" = Promerycochoerus carrikeri2, "Promerycochoerus barbouri" = Promerycochoerus carrikeri2
"Promerycochoerus carrikeri" = Promerycochoerus carrikeri2 Peterson 1907 oreodont
N of Lusk near US 85
"Promerycochoerus barbouri" = Promerycochoerus carrikeri2 Peterson 1907 oreodont
North Ridge 1/2 mi W of US 85
1Prothero 2005; 2Schultz and Falkenbach 1949; 3Tedford et al. 2009; 4Wang et al. 1999