Where: Arapahoe County, Colorado (39.6° N, 104.3° W: paleocoordinates 45.8° N, 82.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

• "early Puercan"

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the UCM

Primary reference: J. J. Eberle and J. A. Lillegraven. 1998. A new important record of earliest Cenozoic mammalian history. Rocky Mountain Geology 33(1):49-117 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88207: authorized by John Alroy, entered by John Alroy on 03.04.2009

Creative Commons license: CC BY (attribution)