2 1/2 miles southeast of Jim Christian Hills (Eocene of the United States)
Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 44.4° N, 95.8° W)
• coordinate based on political unit
When: Chadron Formation, Chadronian (37.2 - 33.9 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected by Skinner et al in 1963
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: general faunal/floral analysis
PaleoDB collection 181604: authorized by Paul Barrett, entered by Terri Cleary on 20.09.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Reptilia | |
Helodermoides tuberculatus Douglass 1903 squamates AMNH Frick collection no. 10160, right maxilla fragment; 10161, right dentary fragment
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