Phylum Mollusca Linnaeus, 1758 - molluscs Class Polyplacophora Blainville, 1816 - chitons 1 Order †Multiplacophora Hoare & Mapes, 1995 2 Subclass †Paleoloricata Bergenhayn, 1955 3 Subclass Neoloricata Bergenhayn, 1955