Kingdom Animalia Linnaeus, 1758 - animals Phylum Mollusca Linnaeus, 1758 - molluscs Class Cephalopoda Cuvier, 1795 - cephalopods Subclass Coleoidea Bather, 1888 Order Octopoda Leach, 1817 - octopuses Family Octopodidae Rafinesque, 1815