clidastes

noun, capitalized
cli·das·tes | \ klīˈda(ˌ) stēz \

Definition of clidastes 

: a genus of large extinct North American Cretaceous fish-eating marine lizards in many respects resembling the recent monitors — compare mosasaurus , varanidae

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History and Etymology for clidastes

New Latin, probably irregular from Greek kleid-, kleis key; akin to Latin claudere to shut

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