Clade Ecdysozoa Aguinaldo et al. 1997
Parent taxon: Protostomia according to K.J. Peterson et al. 2005
See also Edgecombe et al. 2011, Nielsen 2012 and Zrzavy et al. 1998
Sister taxon: Spiralia
Subtaxa: Cephalorhyncha Cycloneuralia Nematozoa Onychophora Panarthropoda Scalidophora Uncus