FV-15 (Cretaceous of the United States)
Where: Powder River County, Montana (45.4° N, 105.6° W: paleocoordinates 52.0° N, 79.6° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Lancian (70.6 - 66.0 Ma)
Environment/lithology: terrestrial
Primary reference: J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]more details
PaleoDB collection 14554: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
• apparently reported by Bryson 1952 (USGS Bulletin, Report B 973-B - not seen); this monograph is on deposits in Powder River County and is miscited by Archibald as "Bryson 1951"
Show authors, comments, and common names
| Mammalia | |
|
| |