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Ptychoparia

noun
Pty·​cho·​par·​ia | \ ˌtīkōˈpa(a)rēə\

Definition of Ptychoparia

: a genus of Middle and Upper Cambrian trilobites with small prominent glabella, long narrow thorax, and strongly segmented pygidium

History and Etymology for Ptychoparia

New Latin, from ptych- + Greek pareia cheek

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