Phylum Onychophora Grube 1853 (velvet worm)
Parent taxon: Ecdysozoa according to X. Zhang et al. 2016
See also Edgecombe et al. 2011, Nielsen 2012, Yang et al. 2015 and Zrzavy et al. 1998
Sister taxa: Cephalorhyncha, Cycloneuralia, Nematozoa, Panarthropoda, Scalidophora, Uncus
Subtaxa: Antennacanthopodia Aysheaidae Diania Euonychophora Hallucishaniids Helenodora Microdictyon Peripatopsidae Tritonychus Udeonychophora Xenusion