Where: Fremont County, Colorado (38.5° N, 105.2° W: paleocoordinates 34.4° N, 52.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Brushy Basin Member (Morrison Formation), Tithonian (152.1 - 145.0 Ma)
• from "one of the thin sandstone lenses near the top of Cope’s Nipple (a.k.a. "Saurian Hill" of Cope), and thus very high in the Morrison Formation" (Carpenter and Galton, 2018). About 10' above C. supremus type.
• bed-level stratigraphic resolution
Environment/lithology: "channel"; lenticular sandstone
Size classes: macrofossils, mesofossils
Collected by O. Lucas in 1877; reposited in the YPM
Collection methods: quarrying, mechanical,
Primary reference: E. D. Cope. 1888. Goniopholis in the Jurassic of Colorado. The American Naturalist 22(264):1106-1107 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 48168: authorized by Matthew Carrano, entered by Matthew Carrano on 15.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Amphicotylus lucasii n. sp.
Amphicotylus lucasii n. sp. Cope 1878 crocodilian | |
Nanosaurus agilis n. gen. n. sp.
|