Order Ganoidei Agassiz
Parent taxon: Osteichthyes according to F. H. Gunnell 1933
See also Huxley 1880, Jordan 1963, Owen 1859 and Rapp 1946
Sister taxa: Actinopterygii, Actinopterygii, Andreolepis, Cephaloxeniformes, Coregonidae, Crenilepis, Cyclotomodon, Dialipiniformes, Discordichthyiformes, Iniomi, Lophosteus, Naxilepis, Pattonia, Pattonia couttsi, Preophiodon, Sarcopterygii, Sparalepis, Tythonichthys, Chrondroterygia, Malacostomata, Rhytiodus, Argentinoideorum, Percidarum, Lepidoleprus, Dipneusta, Teleostomata, Azygostei, Hypostomata, Charitosaurus, Ptilichnus, Aspidoganoidei, Otolithopsis
Subtaxa: Cycloganoidei Glaniostomi Lepidoganoidei Lepidosteidae Placoganoidei Pycnodonti Rhomboganoidei Selachostomi