Where: Saskatchewan, Canada (53.2° N, 103.5° W: paleocoordinates 54.1° N, 61.7° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Lower Member (Niobrara Formation), Late/Upper Turonian (93.5 - 89.3 Ma)

• informal lower member

• bed-level stratigraphic resolution

Environment/lithology: marine; calcareous shale

Size class: macrofossils

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 23370: authorized by John Alroy, entered by Jill Wertheim on 12.07.2002

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)