Phylum Mollusca Linnaeus, 1758 - molluscs Class Polyplacophora Blainville, 1816 [monotypic] - chitons Subclass Polyplacophora Gray, 1821 [monotypic] see Class Polyplacophora Blainville, 1816 Order Lepidopleurida Thiele, 1910 Suborder Lepidopleurina Thiele, 1910 Family Afossochitonidae Ashby, 1925 [monotypic] see Family Choriplacidae Ashby, 1928 1 Genus Choriplax Pilsbry, 1894