Where: Osborne County, Kansas (38.9° N, 97.4° W: paleocoordinates 41.0° N, 63.7° W)

• coordinate estimated from map

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 83.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; gray shale

Size class: macrofossils

Collected by B. F. Mudge

Collection methods: quarrying,

Primary reference: E. D. Cope. 1874. Review of the Vertebrata of the Cretaceous Period found west of the Mississippi River. Bulletin of the United States Geological and Geographical Survey of the Territories, First Series 2:3-48 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189448: authorized by Matthew Carrano, entered by Matthew Carrano on 19.10.2017

Creative Commons license: CC BY (attribution)