Where: Alberta, Canada (50.8° N, 110.5° W: paleocoordinates 57.8° N, 74.1° W)
• coordinate based on nearby landmark
When: Belly River Group, Campanian (83.6 - 72.1 Ma)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: J. D. Gardner, A. P. Russell, and D. B. Brinkman. 1995. Systematics and taxonomy of soft-shelled turtles (Family Trionychidae) from the Judith River Group (mid-Campanian) of North America. Canadian Journal of Earth Science 32:631-643 [J. Alroy/M. Sommers/D. Nicholson]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 177029: authorized by Patricia Holroyd, entered by Patricia Holroyd on 16.03.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Aspideretoides foveatus Leidy 1856 turtle | |
"Aspideretoides splendidus" = Axestemys splendidus
"Aspideretoides splendidus" = Axestemys splendidus Hay 1908 softshell turtle |