Phylum Lobopodia Snodgrass, 1938 - lobopodians
   Subphylum Onychophora Grube, 1853 see Phylum Onychophora Grube, 1853
     Class †Xenusia Dzik & Krumbiegel, 1989 - xenusians
       Order †Protonychophora Hutchinson, 1930
         1 Family †Aysheaiidae Walcott, 1911
         2 Family †Xenusiidae Dzik & Krumbiegel, 1989