Mosasaur tooth

Mosasaur tooth
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Specimen #342
Taxon: Class Reptilia, Family Mosasauridae
Locality: Boulder, Boulder County, CO
Age: Cretaceous Period, Santonian Stage
Rock unit: Niobrara Formation, Smoky Hill Member
Collector: W. Itano

This is a tooth of a mosasaur, a marine reptile. The tip is missing. The surface is divided into longitudinal facets, which is typical of Mosasaurus and Platecarpus, but not Tylosaurus. (Length 1.5 cm.)

There is a LOT of good mosasaur information on the Web. Check out the Oceans of Kansas Paleontology website.


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Last modified: May 27, 2001. Send comments to webmaster@itano.net