Jack Casement Ranch (Oligocene of the United States)

Where: Logan County, Colorado (41.0° N, 103.4° W: paleocoordinates 42.1° N, 95.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Cedar Creek Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by C. W. Hibbard, G. C. Rinker, F. M. Carpenter in 1947; reposited in the UMMP

Primary reference: R. M. Sullivan. 1987. Parophisaurus pawneensis (Gilmore, 1928) new genus of anguid lizard from the middle Oligocene of North America. Journal of Herpetology 21(2):115-133 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84618: authorized by John Alroy, entered by John Alroy on 03.11.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Anguidae
Parophisaurus pawneensis Gilmore 1928 squamates
UMMP 27179, nearly complete skull