Also known as South bank, Smoky Hill River (east of Wallace); Hesperornis regalis type

Where: Logan County, Kansas (38.9° N, 101.2° W: paleocoordinates 42.3° N, 67.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• age assignment based on ages of other Smoky Hill collections

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, calcareous shale

Size class: macrofossils

Collected in July, 1871; reposited in the YPM

Primary reference: O. C. Marsh. 1872. Preliminary description of Hesperornis regalis, with notices of four other new species of Cretaceous birds. The American Journal of Science and Arts, series 3 3(13-18):360-365 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85284: authorized by John Alroy, entered by John Alroy on 09.12.2008, edited by Philip Mannion

Creative Commons license: CC BY (attribution)