Where: Saskatchewan, Canada (50.7° N, 107.4° W: paleocoordinates 57.1° N, 71.6° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Bearpaw Shale Formation, Late/Upper Campanian (83.5 - 70.6 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine; argillaceous shale and gypsiferous, black carbonate
Size class: macrofossils
Preservation: replaced with other
Collection methods: quarrying,
Primary reference: E. L. Nicholls, T. T. Tokaryk, and L. V. Hills. 1990. Cretaceous marine turtles from the Western Interior Seaway of Canada. Canadian Journal of Earth Sciences 27(10):1288-1298 [J. Alroy/M. Sommers/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 23368: authorized by John Alroy, entered by Jill Wertheim on 12.07.2002, edited by Erin Leckey
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Plioplatecarpus primaevus Russell 1967 mosasaur almost complete (and a second partial) skeleton and additional material
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