plural noun
Ar·​chis·​tia | \ ärˈkistēə\

Definition of Archistia

: an order of primitive Paleozoic ganoid fishes of moderate size superficially resembling modern herrings but having heterocercal tails, the maxilla expanded over the cheek, and a true clavicle in the pectoral girdle

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History and Etymology for Archistia

New Latin, from archi- + -istia (as in Cladistia)

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an act or instance of editing or removing

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