Where: Kansas (38.9° N, 100.5° W: paleocoordinates 42.2° N, 66.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Santonian (86.3 - 83.6 Ma)

• "Probably from the middle part of the Smoky Hill Member" according to Hattin (1982).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified chalk

Size class: macrofossils

Collected by E. Haworth

• Repository: University of Kansas Museum

Primary reference: S. W. Williston. 1896. The Kansas Niobrara Cretaceous. The University Geological Survey of Kansas 2:235-246 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210347: authorized by Matthew Clapham, entered by Matthew Clapham on 30.05.2020

Creative Commons license: CC BY (attribution)