Baptornis advenus type locality (Cretaceous of the United States)

Where: Wallace County, Kansas (38.9° N, 101.8° W: paleocoordinates 41.3° N, 67.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Coniacian (89.8 - 86.3 Ma)

• based on "Coniacian" age of the Smoky Hill Member

• bed-level stratigraphic resolution

Environment/lithology: offshore; chalk

• "open sea" based on paleogeography
• "The Niobrara Chalk is a carbonate deposit"

Size class: macrofossils

Reposited in the YPM

Primary reference: L. D. Martin and J. Tate, Jr. 1976. The skeleton of Baptornis advenus (Aves: Hesperornithiformes). Smithsonian Contributions to Paleobiology 27:35-66 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85282: authorized by John Alroy, entered by John Alroy on 09.12.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hesperornithiformes - Baptornithidae
Baptornis advenus n. gen. n. sp.
Baptornis advenus n. gen. n. sp. Marsh 1877 bird