east side, North Fork, Smoky Hill River (Cretaceous of the United States)

Where: Logan County, Kansas (38.9° N, 101.3° W: paleocoordinates 42.3° N, 67.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Santonian (85.8 - 83.5 Ma)

• Specimen probably collected between Marker Units 18 and 20 (Bennett 1994); upper part of member

• bed-level stratigraphic resolution

Environment/lithology: offshore; gray shale

• "gray shale"

Size class: macrofossils

Collected by Marsh in 1870, 1871; reposited in the YPM

Collection methods: quarrying,

Primary reference: O. C. Marsh. 1872. Discovery of additional remains of Pterosauria, with descriptions of two new species. American Journal of Science, Series 3 3:241-248 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93218: authorized by Richard Butler, entered by Richard Butler on 08.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pterosauria -
Pterodactylus oweni Marsh 1871 pterosaur
YPM 1161 (syntype), distal end of right metacarpal IV