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 Chitonina Thiele, 1909
           Family Schizochitonidae Dall, 1889
             1 Genus Schizochiton Gray, 1847
             2 Genus Lorica H. Adams & A. Adams, 1852
             3 Genus Loricella Pilsbry, 1893