Also known as Tylosaurus kansasensis paratype
Where: Trego County, Kansas (38.9° N, 100.1° W: paleocoordinates 40.9° N, 66.0° W)
• coordinate based on political unit
When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian (89.3 - 85.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; chalk
Size class: macrofossils
Collected by R. Zakrzewski in 1969
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 118152: authorized by Philip Mannion, entered by Philip Mannion on 06.10.2011, edited by Jonathan Tennant
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Clidastes velox" = Clidastes propython, Tylosaurus sp., Tylosaurus kansasensis, "Platecarpus ictericus" = Platecarpus tympaniticus, "Platecarpus coryphaeus" = Platecarpus tympaniticus
Tylosaurus kansasensis Everhart 2005 mosasaur FHSM VP-2495 - paratype - juvenile (disarticulated, near-complete skull, missing the premaxilla and the anteriormost portion of the vertebral column: 83 vertebrae)
"Platecarpus coryphaeus" = Platecarpus tympaniticus Cope 1869 mosasaur MNHN 1894-14b, an almost complete skull; About twenty mixed bones including 9 caudal vertebrae and a mounted forelimb
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