Ty·​lo·​sau·​rus | \ ˌtīləˈsȯrəs \

Definition of Tylosaurus

: a genus of large pythonomorph reptiles from the Upper Cretaceous of Kansas, New Mexico, and Texas having a short body, long tail, and pentadactyl limbs functioning as paddles

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History and Etymology for Tylosaurus

New Latin, from tyl- + -saurus

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Cite this Entry

“Tylosaurus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Tylosaurus. Accessed 22 Sep. 2020.

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