plural noun
Opis·tho·par·ia | \əˌpisthəˈpa(a)rēə\

Definition of Opisthoparia 

: an order of trilobites including those in which the genal angles or spines are borne by the free cheeks

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Other Words from Opisthoparia

opisthoparian \⸗¦⸗⸗¦pa(a)rēən \ noun or adjective

History and Etymology for Opisthoparia

New Latin, from opisth- + -paria (from Greek pareia cheek)

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one that holds something together

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