Also known as Tylosaurus kansasensis referred specimen
Where: Gove County, Kansas (39.0° N, 100.5° W: paleocoordinates 41.1° N, 66.4° 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 in 1990
Primary reference: M. J. Everhart. 2004. Late Cretaceous interaction between predators and prey. Evidence of feeding by two species of shark on a mosasaur. PalArch 1(1):1-7 [P. Mannion/J. Tennant]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 118156: 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 | |
Tylosaurus kansasensis Everhart 2005 mosasaur FHSM VP-13742 - large adult, approximately 7m long (weathered and fragmentary skull, including the premaxilla, portions of both maxillae, a complete frontal and both lower jaws [lacking both quadrates], and a few bones from the front limbs). tHE anterior end of the premaxilla had apparently been sheared off by the bite of a shark and the damaged bone shows no evidence of healing
cf. Ectenosaurus clidastoides Merriam 1894 mosasaur FHSM VP-13476, 21 articulated dorsal vertebrae and attached ribs
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Chondrichthyes | |
Cretoxyrhina mantelli Agassiz 1835 mackerel shark Tips of three shark teeth were embedded in the top of the premaxilla and the lateral side of both dentaries of the Tylosaurus kansasensis skeleton
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