Edited by ThePhysicist
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Tylosaurus Tooth
Images: 
By ThePhysicist (edited)
Taxonomy
Tylosaurus
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Mosasauridae
Genus: Tylosaurus
Species: Tylosaurus proriger
Author Citation Cope, 1869
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous
Sub Period: None
Epoch: Late
Stratigraphy
Ozan Formation
Provenance
Collector: N. Pearson
Date Collected: 10/07/2018
Acquired by: Field Collection
Dimensions
Width: 2.5 cm
Height: 4.6 cm
Location
Ladonia Fossil Park, North Sulphur River
Fannin County
Texas
United States
- c(o)tp1
- ladonia fossil park
- mosasaur tooth
- north sulfur river
- north sulphur river
- nsr
- ozan formation
- tylosaur
- tylosaurus proriger
Comments
Identification:
Mosasaur teeth can be difficult to assign to a species. However, given the size of the tooth, it must be from T. proriger - the only Mosasaur in the formation large enough to produce this tooth.
Notes:
Shows feeding wear (pictured) with mostly complete enamel. Uncommon find for this formation/locality.
Identifiers:
This identification is supported by Michael J. Polcyn (researcher specializing in the evolution of Mosasaurs) of Southern Methodist University, Dallas, TX, USA.
Citation:
COPE, EDWARD D., 1869, Remarks on Holops brevispinus, Ornithotarsus immanis, and Macrosaurus proriger, Proceedings of the Academy of Natural Sciences of Philadelphia, Volume 21, Page 123, ISSN: 0097-3157, https://www.biodiversitylibrary.org/item/30466#page/149/mode/1up
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