plural noun
Pro·to·par·ia | \ˌprōtəˈpa(a)rēə\

Definition of Protoparia 

: a cosmopolitan order of Lower Cambrian trilobites with the facial suture marginal, the eyes large, and the pygidium small and rudimentary

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History and Etymology for Protoparia

New Latin, from prot- + Greek pareia cheek

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