Euarthropoda
   †Lamellipedia see Superclass Lamellipedia Hou & Bergström, 1997
     †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997
       †Conciliterga see Subclass Conciliterga Hou & Bergström, 1997
         1.1 Genus †Helmetia Walcott, 1918
         1.2 Genus †Kuamaia Hou, 1987
         2.1 Genus †Saperion Hou et al., 1991
         2.2 Genus †Skioldia X. Hou & J. Bergström, 1997
         2.3 Genus †Tegopelte Simonetta & Delle Cave, 1975