Crangonidae - shrimpsfamily Crangonidaearthropod family - any of the arthropodsNatantia, suborder Natantia - shrimp; prawns; etc.Crangon, genus Crangon - type genus of the family Crangonidaeshrimp - small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible