Where: Big Horn County, Wyoming (44.3° N, 108.1° W: paleocoordinates 49.1° N, 90.9° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
• "middle Gray Bull"
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: mesofossils
Reposited in the ROM
Primary reference: A. E. Wood. 1962. The Early Tertiary Rodents of the Family Paramyidae. Transactions of the American Philosophical Society 52(1):3-261 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 109003: authorized by John Alroy, entered by John Alroy on 09.05.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Franimys amherstensis Wood 1962 rodent |