Where: Shannon County, South Dakota (43.3° N, 102.5° W: paleocoordinates 44.4° N, 94.3° W)
• coordinate based on political unit
When: Arikaree Formation (White River Group), Orellan (33.9 - 33.3 Ma)
• "Leptauchenia zone (Protoceras beds)" = Poleslide Mb of Brule Fm (Bump 1956), however Hoganson et al (1998) put the Protoceras in the Arikaree Fm.
• formation-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected by Abbott in 1905
Primary reference: C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 180116: authorized by Paul Barrett, entered by Terri Cleary on 08.07.2016
Creative Commons license: CC BY (attribution)
Taxonomic list