Class Cephalopoda Cuvier, 1795 - cephalopods Subclass Coleoidea Bather, 1888 Superorder Decembrachiata Winckworth, 1932 see Superorder Decapodiformes Young, Vecchione & Donovan, 1998 Order Spirulida Pompeckj, 1912 Suborder Spirulina Pompeckj, 1912 Family †Spirulirostrinidae Naef, 1921