FHSM VP-13742
Tylosaurus (Marsh, 1872)

Taxonomy

Specimen Info

Kingdom
Animalia
Genus
Tylosaurus
Phylum
Chordata
Species
Class
Reptilia
Author
Marsh
Order
Squamata
Year
1872
Family
Mosasauridae
Collected by
Everhart, M.J.
Date Collected
1990-06-12
Identified By
Everhart, M.J.
Date Identified
1990-06-27
Type
Number of Pieces
486
Description
Skeleton; Partial Skeleton,

Locality

Lithostratigraphy

Country
United States of America
State/Province
Kansas
County
Gove
Remarks
Information withheld. Please contact FHSM for detailed locality information
Group
Colorado
Formation
Niobrara
Member
Smoky Hill
Zone
Bed
Local Fauna

Chronostratigraphy

Biostratigraphy

Earliest Era
Mesozoic
Latest Era
Mesozoic
Earliest Period
Cretaceous
Latest Period
Cretaceous
Earliest Epoch
Upper
Latest Epoch
Upper
Earliest Age
Santonian
Latest Age
Santonian
Lowest Zone
Highest Zone

Publications (3 of 8)

Everhart, M.J., 2002. New data on cranial measurements and body length of the mosasaur Tylosaurus nepaeolicus (Squamata: Mosasauridae), from the Niobrara Formation of western Kansas. Transactions of the Kansas Academy of Science, 105:33-43
Everhart, M.J., 2005. Tylosaurus kansasensis, a new species of tylosaurine (Squamata, Mosasauridae) from the Niobrara Chalk of western Kansas, USA. Netherlands Journal of Geosciences, 84:231-240
Everhart, M.J., Pearson, G.. 2014. An isolated squamate dorsal vertebra from the Late Cretaceous Greenhorn Formation of Mitchell County, Kansas. Transactions of the Kansas Academy of Science , 117:261-269
Konishi, T., Jimenez-Huidobro, P., Caldwell, M.W. 2018. The smallest-known neonate individual of Tylosaurus (Mosasauridae, Tylosaurinae) sheds new light on the tylosaurine rostrum and heterochrony. Journal of Vertebrate Paleontology, 38:1-11
Zietlow, Amelia R., 2020. Craniofacial ontogeny in Tylosaurinae. PeerJ. , 8:e10145
Everhart, M.J., 2001. Revisions to the biostratigraphy of the Mosasauridae (Squamata) in the Smoky Hill Chalk member of the Niobrara Chalk (Late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science, 104:59-78
Everhart, M.J., 2003. First records of plesiosaur remains in the lower Smoky Hill Chalk Member (Upper Coniacian) of the Niobrara Formation in western Kansas. Transactions of the Kansas Academy of Science, 106:139-148
Everhart, M.J., 2005. Bite marks on an elasmosaur paddle from the Niobrara Chalk as probable evidence of feeding by the lamniform shark, Cretoxyrhina mantelli. www.PalArch.nl., vertebrate paleontology, 2:14-24