plural noun
Car·​cha·​ri·​idae | \ˌkärkəˈrīəˌdē\

Definition of Carchariidae 

: a family of sharks that has existed at least since Lower Cretaceous times and as now understood contains Carcharias and various extinct genera but formerly included many other genera (as Galeorhinus and Mustelus) and in some classifications was coextensive with Carcharhinidae

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History and Etymology for Carchariidae

New Latin, from Carcharias, type genus + -idae

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