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