Phylum Lobopodia Snodgrass, 1938 - lobopodians Subphylum Onychophora Grube, 1853 see Phylum Onychophora Grube, 1853 Class †Xenusia Dzik & Krumbiegel, 1989 - xenusians Order †Scheronychophora Poinar, 2000, orth. inval. see Order Scleronychophora Hou & Bergström, 1995 Family †Cardiodictyidae Hou & Bergström, 1995