Also known as Pteranodon walkeri holotype

Where: Graham County, Kansas (39.4° N, 99.9° W: paleocoordinates 44.5° N, 68.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• within 5 m above or below Marker Unit 18 in the upper Smoky Hill Chalk

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithology not reported

Size class: macrofossils

Collected by Sternberg

Primary reference: H. W. Miller. 1971. The taxonomy of the Pteranodon species from Kansas. Transactions of the Kansas Academy of Science 74(1):1-19 [R. Butler/R. Butler/R. Butler] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93386: authorized by Richard Butler, entered by Richard Butler on 17.01.2010