Panarthropoda Nielsen, 1995 - panarthropods
   Phylum Onychophora Grube, 1853 - velvet worms
     1 Genus †Xenusion Pompeckj, 1927
     2 Genus †Diania Liu, Steiner, Dunlop, Keupp, Shu, Ou, Han, Zhang & Zhang, 2011
     3.1 Genus †Onychodictyon Hou, Ramsköld & Bergström, 1991
     3.2.1.1 Genus †Helenodora Thompson & Jones, 1980 [monotypic]
     3.2.1.2 Genus †Paucipodia Chen, Zhou & Ramsköld, 1995
     3.2.2.1 Genus †Microdictyon Bengtson, Matthews & Missarzhevsky, 1981
     3.2.2.2.1 Genus †Cardiodictyon Hou, Ramsköld & Bergström, 1991
     3.2.2.2.2.1.1 †Hallucigenia hongmeia Steiner et al., 2012
     3.2.2.2.2.1.2.1 Genus †Acinocricus Conway Morris & Robison, 1988
     3.2.2.2.2.1.2.2 †EBS "Collins' monster"
     3.2.2.2.2.1.2.3 †BS "Collins' monster"
     3.2.2.2.2.1.2.4 Genus †Collinsium Yang et al., 2015
     3.2.2.2.2.1.2.5 Genus †Luolishania Hou & Chen, 1989
     3.2.2.2.2.2.1 †Hallucigenia fortis Hou & Bergström, 1995
     3.2.2.2.2.2.2 †Hallucigenia sparsa (Walcott, 1911)
     3.2.2.2.2.2.3.1 Genus †Orstenotubulus Maas, Mayer, Kristensen & Waloszek, 2007
     3.2.2.2.2.2.3.2.1 Genus †Antennacanthopodia Ou & Shu, 2011
     3.2.2.2.2.2.3.2.2.1 Genus †Tertiapatus Poinar, 2000
     3.2.2.2.2.2.3.2.2.2.1 Genus Ooperipatellus Ruhberg, 1985
     3.2.2.2.2.2.3.2.2.2.2 Genus Plicatoperipatus Clark, 1913
     3.2.2.2.2.2.3.2.2.2.3 Genus Euperipatoides Ruhberg, 1985