Where: Nebraska (42.4° N, 97.4° W: paleocoordinates 44.8° N, 62.4° W)

• small collection-level geographic resolution

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

• "Derivation of the specimen from the Niobrara Formation is also indicated by the Foraminifera, which have been studied by Dr. Harry L. Cousminer. The species recovered are common in the Smoky Hill Member of the Niobrara in Kansas, eastern South Dakota, and northern Nebraska."

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); chalk

Size classes: macrofossils, mesofossils, microfossils

Primary reference: B. Schaeffer. 1968. A new actinopterygian fish from the Cretaceous of North America. American Museum Novitates 2344:1-10 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 193536: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 25.05.2018

Creative Commons license: CC BY (attribution)