Order Polymixiiformes (beardfish)
Parent taxon: Polymixiacea according to R. Betancur-R et al. 2013
Sister taxa: Ctenothrissiformes, Polymixiformes
Subtaxa: Aipichthyoides, Aipichthys, Berycopsia, Berycopsis, Dalmatichthys, Homonotichthys, Omosoma, Paraipichthys, Polymixia, Polymixiidae, Pycnosterinx
Ecology: nektonic omnivore