Class Cephalopoda Cuvier, 1795 - cephalopods Subclass Coleoidea Bather, 1888 1 Superorder †Belemnoidea Gray, 1849 2.1 Superorder Decembrachiata Winckworth, 1932 see Superorder Decapodiformes Young, Vecchione & Donovan, 1998 2.2 Superorder Vampyropoda Boletzky, 1992 see Superorder Octopodiformes Young et al., 1998