Monoclonius

noun
Mono·clo·ni·us

Definition of Monoclonius 

: a genus of ceratopsian dinosaurs with a large nasal horn found in the Upper Cretaceous of North America

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History and Etymology for Monoclonius

New Latin, from mon- + -clonius (from Greek klōnion, diminutive of klōn twig); akin to Greek klan to break

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