Phylum Mollusca Linnaeus, 1758 - molluscs Class Cephalopoda Cuvier, 1795 - cephalopods Subclass Coleoida Bather, 1888 see Subclass Coleoidea Bather, 1888 Order Vampyromorpha Grimpe, 1917 [monotypic] - vampire squids see Order Vampyromorphida Pickford, 1939 1 Family Vampyrotheuthidae orth. inval. [monotypic] see Family Vampyroteuthidae Thiele, 1915