Ferris Formation (UW V-91027) (Paleocene of the United States)

Also known as Fallen Bonanza

Where: Carbon County, Wyoming (41.9° N, 106.9° W: paleocoordinates 48.5° N, 84.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Ferris Formation, Puercan (66.0 - 63.3 Ma)

• said to be late Puercan

Environment/lithology: terrestrial

Size class: mesofossils

Reposited in the UW

Primary reference: J. J. Eberle and J. A. Lillegraven. 1998. A new important record of earliest Cenozoic mammalian history: geologic setting, Multituberculata, and Peradectia. Rocky Mountain Geology 33(1):3-47 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14719: authorized by John Alroy, entered by John Alroy on 21.09.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Tribosphenida - Periptychidae
Periptychidae indet. Cope 1882 condylarth
Periptychus coarctatus Cope 1883 condylarth