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 Leptochitonidae Dall, 1889
             Subfamily Leptochitoninae Dall, 1889 see Family Leptochitonidae Dall, 1889
               1 Genus Leptochitonina Millard, 1997, stat. inval.
               2 Genus Ferreiraella Sirenko, 1988
               3 Genus Lepidopleurus Risso, 1826
               4 Genus Leptochiton Gray, 1847
               5 Genus Oldroydia Dall, 1894
               6 Genus Hanleyella Sirenko, 1973