Smoky River, near Monument rocks (Cretaceous to of the United States)

Where: Gove County, Kansas (38.8° N, 100.8° W: paleocoordinates 41.7° N, 67.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 83.6 Ma)

• Stratigraphical position within Smoky Hill Chalk member is uncertain

• bed-level stratigraphic resolution

Environment/lithology: offshore; yellow chalk

Size class: macrofossils

Collected by E. E. Slossen in 1892

Collection methods: surface (in situ),

Primary reference: S. W. Williston. 1892. Kansas pterodactyls 1. Kansas University Quarterly 1:1-13 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93390: authorized by Richard Butler, entered by Richard Butler on 18.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pterosauria -
Nyctosaurus gracilis Marsh 1876 pterosaur
Snow Museum, Univ. Kansas, postcranial skeleton