Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848
   1 Superclass †Proschizoramia Hou & Bergström, 1997
   1.n.1 Superclass Crustaceomorpha Chernyshev, 1960 see [unranked] Crustaceomorpha Chernyshev, 1960
   1.n.2 Superclass †Lamellipedia Hou & Bergström, 1997 - lamellipedians
   1.n.2.n Superclass Chelicerata Heymons, 1901 see Subphylum Chelicerata Heymons, 1901