Where: Arapahoe County, Colorado (39.5° N, 104.7° W: paleocoordinates 45.7° N, 82.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Denver Formation, Puercan (66.0 - 63.3 Ma)
• Denver Formation (D1 sequence)
• group of beds-level stratigraphic resolution
Environment/lithology: "channel"; coarse-grained sandstone
Size class: macrofossils
Reposited in the DMNH
Collection methods: surface (float)
Primary reference: J. H. Hutchison and P. A. Holroyd. 2003. Late Cretaceous and early Paleocene turtles of the Denver Basin, Colorado. Rocky Mountain Geology 38(1):121-142 [P. Holroyd/P. Holroyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 176853: authorized by Patricia Holroyd, entered by Patricia Holroyd on 05.03.2016, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Cryptodira indet. Cope 1868 turtle | |
Plastomenus joycei Lyson et al. 2021 turtle |