Clade Gnathifera
Parent taxon: Spiralia according to C. Nielsen 2012
See also Edgecombe et al. 2011
Sister taxa: Brachiozoa, Chaetognathifera, Gastrotricha, Lophotrochozoa, Platyzoa, Schizocoela, Trochozoa
Subtaxa: Dakorhachiidae Gnathostomulida Micrognathozoa Rotifera