Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848
   Superclass †Lamellipedia Hou & Bergström, 1997 - lamellipedians
     Class †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997
       Subclass †Conciliterga Hou & Bergström, 1997
         Order †Helmetiida Novozhilov, 1969
           1 Family †Helmetiidae Simonetta & Delle Cave, 1975
           2 Family †Skioldiidae H. Xianguang & J. Bergström, 1997 see Family Helmetiidae Simonetta & Delle Cave, 1975
           3 Family †Tegopeltidae Simonetta & Delle Cave, 1975
           4 Family †Saperiidae H. Xianguang & J. Bergström, 1997