Order Euonychophora Hutchinson 1930 (velvet worm)
Synonym: Ontonychophora Poinar 2000
Parent taxon: Onychophora according to M. S. Engel and D. A. Grimaldi 2002
See also Poinar 2000
Sister taxa: Antennacanthopodia, Cardiodictyon, Diania, Hallucishaniids, Helenodora, Microdictyon, Paucipodia, Udeonychophora, Xenusion
Subtaxa: Peripatidae Tertiapatoidea