Superphylum Panarthropoda Nielsen, 1995 see [unranked] Panarthropoda Nielsen, 1995 Phylum Onychophora Grube, 1853 - velvet worms Family †Luolishaniidae Hou & Bergström, 1995 Genus †Facivermis Hou & Chen, 1989 [monotypic] 1 †Facivermis yunnanicus Hou & Chen, 1989