ˌkärkəˈrīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Carcharias, type genus + -idae
: 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