Where: Graham County, Kansas (39.3° N, 99.9° W: paleocoordinates 42.0° N, 66.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 83.6 Ma)

• "Upper Cretaceous" (age based on strat unit)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: soft parts

Collected by H. T. Martin in 1894

• KUVP collection

Primary reference: L. D. Martin. 1984. A new hesperornithid and the relationships of the Mesozoic birds. Transactions of the Kansas Academy of Science 87(3/4):141-150 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85238: authorized by John Alroy, entered by John Alroy on 07.12.2008

Creative Commons license: CC BY (attribution)