Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Aculifera Hatschek, 1891
     Class Polyplacophora Blainville, 1816 - chitons
       Order Neoloricata Bergenhayn, 1955 see Subclass Neoloricata Bergenhayn, 1955
         Suborder Lepidopleurina Thiele, 1910
           1 Family Ferreiraellidae Dell'Angelo & Palazzi, 1991
           2 Family Hanleyidae Bergenhayn, 1955
           3 Family Leptochitonidae Dall, 1889
           4 Family Nierstraziellidae nom. null. see Family Nierstraszellidae Sirenko, 1992