Phylum Mollusca Linnaeus, 1758 - molluscs Subphylum Aculifera Hatschek, 1891 Class Polyplacophora Blainville, 1816 - chitons Order Neoloricata Bergenhayn, 1955 see Subclass Neoloricata Bergenhayn, 1955 Suborder Acanthochitonina Bergenhayn, 1930 Family Acanthochitonidae Pilsbry, 1893 Subfamily Acanthochitoninae Pilsbry, 1893 see Family Acanthochitonidae Pilsbry, 1893