Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848
Count: 1c; †7c;30o;37f;5g;2s
   Superclass †Proschizoramia Hou & Bergström, 1997
  Count: [†o] †4c;10o;15f
     Class †Megacheira Hou & Bergström, 1997
    Count: [†f] †3o;5f;2g;3s
       Order †Leanchoiliida Størmer, 1944, nom. corr.
      Count: [†f] †3f;1g;2s
         Family †Leanchoiliidae Raymond, 1935
        Count: †1g;2s
           Genus †Leanchoilia Walcott, 1912
          Count: †2s
             1 †Leanchoilia superlata Walcott, 1912
            Count: -
             2 †Leanchoilia illecebrosa (Hou, 1987)
            Count: -