FHSM VP-2295 locality, Ellis County (Cretaceous of the United States)

Also known as Tylosaurus kansasensis type locality

Where: Ellis County, Kansas (39.0° N, 99.5° W: paleocoordinates 40.9° N, 65.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Protosphyraena perniciosa other zone, Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian (89.3 - 85.8 Ma)

• "The Smoky Hill Chalk in this area lies just a few meters above the contact with the underlying Fort Hays Limestone (Hattin, 1982), and is in Stewart's (1990) biostratigraphic zone of Protosphyraena perniciosa (Upper Coniacian)."

• bed-level stratigraphic resolution

Environment/lithology: marine; chalk

Size class: macrofossils

Collected by M.V. Walker in 1968

Primary reference: M. J. Everhart. 2005. Tylosaurus kansasensis, a new species of tylosaurine (Squamata, Mosasauridae) from the Niobrara Chalk of western Kansas, USA. Netherlands Journal of Geosciences — Geologie en Mijnbouw 84(3):231-240 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106063: authorized by Matthew Carrano, entered by Hallie Street on 02.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Mosasauridae
Tylosaurus kansasensis n. sp. Everhart 2005 mosasaur
FHSM VP-2295 - type (a complete, articulated skull with seven cervical vertebrae)