3 mi NE Monument Rocks (Cretaceous of the United States)

Also known as Pteranodon longiceps holotype

Where: Gove County, Kansas (38.8° N, 100.7° W: paleocoordinates 42.1° N, 67.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• from between 2 m above Marker Unit 15 and Marker Unit 16; upper part of member

• bed-level stratigraphic resolution

Environment/lithology: offshore; yellow chalk

Size class: macrofossils

Collected by Williston in 1876; 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 93234: authorized by Richard Butler, entered by Richard Butler on 08.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pterosauria -
Pteranodon longiceps n. gen. n. sp.
Pteranodon longiceps n. gen. n. sp. Marsh 1876 pterosaur
YPM 1177, skull and atlas-axis, postcranial fragments