Where: Graham County, Kansas (39.4° N, 99.8° W: paleocoordinates 42.5° N, 66.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Probably collected between Marker Units 15 and 19; upper part of member

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithology not reported

Size class: macrofossils

Collected by B. F. Mudge in 1875; reposited in the YPM

Primary reference: O. C. Marsh. 1876. Notice of a new sub-order of Pterosauria. American Journal of Science 11:507-509 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93233: authorized by Richard Butler, entered by Richard Butler on 08.01.2010

Creative Commons license: CC BY (attribution)