Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.2° N, 97.2° W)
• coordinate based on political unit
When: Valentine Formation (Ogallala Group), Barstovian to Barstovian (16.3 - 9.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 18070: authorized by John Alroy, entered by John Alroy on 19.05.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
| |
"Merychyus medius" = Ustatochoerus medius, "Merychyus novomexicanus" = Ustatochoerus medius novomexicanus
"Merychyus medius" = Ustatochoerus medius Leidy 1858 oreodont
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus Frick 1929 oreodont |