Mastodonsaurus

noun
Mas·​to·​don·​sau·​rus

Definition of Mastodonsaurus

: a genus of Old World Triassic amphibians containing the largest known labyrinthodonts with the skull over four feet long and having at the front of the lower jaw a pair of short tusks that close into openings piercing the premaxillae

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History and Etymology for Mastodonsaurus

New Latin, from Mastodon + -saurus

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Dictionary Entries Near Mastodonsaurus

mastodon

Mastodonsaurus

mastodontoid

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Cite this Entry

“Mastodonsaurus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mastodonsaurus. Accessed 19 Oct. 2021.

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