Parent taxon: Teleostei according to D. S. Jordan 1963
Sister taxa: Acanthopteri, Acregoliath, Amphiuma nordica, Araripchthyiformes, Asiatolepis, Bathyclupeiformes, Catosteomi, Chongichthyidae, Chromides, Crossognathiformes, Dorsetichthyiformes, Elopocephalai, Euteleosteii, Gasterosteiformes, Gobioidea, Ichthyodectiformes, Jinanichthys, Jugulares, Lampriformes, Leptolepidiformes, Leucichthyops, Longdeichthys, Luisiella, Lyopomi, Malacopteri, Opisthomi, Osteoglossocephalai, Osteossomorpha, Paralycoptera, Pediculati, Percomorphacea, Pharyngognathi, Pholidophoriformes, Polymyxiomorpha, Scorpaeniformes, Stephanoberyciformes, Symbranchia, Teleocephala, Teleosteorum, Todiltia, Tonghuaichthys, Tselfatiiformes, Xenopterygii, Ypsiloichthys
Subtaxa: Opisthomyzonidae
Ecology:
Distribution: there are no occurrences of Discocephali in the database