Phylum [Mollusca] Linnaeus, 1758 - molluscs Class Cephalopoda Cuvier, 1795 - cephalopods Subclass Coleoidea Bather, 1888 Order Octopoda Leach, 1817 - octopuses Superfamily Argonautacea see Superfamily Argonautoidea Cantraine, 1841 1 Family Argonautidae Lamarck, 1809