plural noun
Hy·pero·ar·tia | \ˌhīpərōˈärsh(ē)ə, -ärtēə\

Definition of Hyperoartia 

: an order of cyclostomi consisting of the lampreys as distinguished from the hagfishes — compare hyperotreta

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History and Etymology for Hyperoartia

New Latin, from Greek hyperōia palate (from feminine of hyperōios upper, from hyper over, above) + New Latin -artia (from Greek artios complete, perfect); akin to Greek arti just, exactly, arariskein to fit

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a state of commotion or excitement

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