North of Node (Oligocene of the United States)

Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 44.2° N, 96.4° W)

• coordinate based on political unit

When: Orellan (33.9 - 33.3 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 17149: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Canidae
Hesperocyon gregarius Cope 1873 canid
"North of Node Road... 20 ft below a channel"; possibly Chadronian, but I know of no Chadronian records from this locality
 Ungulata - Merycoidodontidae
Miniochoerus sp.1 Schultz and Falkenbach 1956 oreodont
"Merycoidodon culbertsoni" = Merycoidodon (Merycoidodon) culbertsoni2 Leidy 1848 oreodont
"Merycoidodon culbertsoni osborni": also "Otionohyus wardi"; Brule Zone A