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Proparia

plural noun
Pro·​par·​ia | \prōˈpa(a)rēə\

Definition of Proparia 

: an order of trilobites in which the posterior branch of the facial suture cuts the lateral margin of the cephalon

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Other Words from Proparia

proparian \ -​ēən \ noun or adjective

History and Etymology for Proparia

New Latin, from pro- entry 1 + Greek pareia cheek, cheekpiece of a helmet, probably from para- + -eia (akin to Greek ous ear)

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