Graybull Valley (non-specific locality) (Eocene of the United States)

Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• Previously Wasatch Fm, subsequently renamed as Willwood Formation in the early 1940s

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by AMNH in 1910

Primary reference: R. M. Sullivan. 1979. Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae). Bulletin of the American Museum of Natural History 163(1):1-72 [P. Barrett/T. Cleary]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181617: authorized by Paul Barrett, entered by Terri Cleary on 21.09.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Anguidae
Glyptosaurinae indet. Marsh 1872 squamates
AMNH 2089, right dentary