Also known as USGS D645 (65-G-6)
Where: grand County, Colorado (40.1° N, 106.2° W: paleocoordinates 40.8° N, 102.5° W)
• small collection-level geographic resolution
When: Troublesome Formation, Early/Lower Hemingfordian (20.4 - 16.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Reposited in the USGS
Primary reference: R. M. Hunt, Jr. 2003. Intercontinental migration of large mammalian carnivores: earliest occurrence of the Old World beardog Amphicyon (Carnivora, Amphicyonidae) in North America. Bulletin of the American Museum of Natural History 279:77-115 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 35608: authorized by John Alroy, entered by John Alroy on 30.12.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Amphicyon galushai Hunt 2003 bear-dog |