Class Cephalopoda Cuvier, 1795 - cephalopods Subclass Coleoidea Bather, 1888 Superorder Decembrachiata Winckworth, 1932 see Superorder Decapodiformes Young, Vecchione & Donovan, 1998 Order Sepiida Gray, 1849 Suborder Sepiina Gray, 1849 Family Sepiidae Lamarck, 1809