Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848
   Superclass Crustaceomorpha Chernyshev, 1960 see [unranked] Crustaceomorpha Chernyshev, 1960
     Class †Pseudocrustacea Størmer, 1944
       Order †Waptida Størmer, 1944 see Order Waptiida Størmer, 1944, nom. corr.