†subclass Azygostei Hay 1902 (bony fish)
Full reference: O. P. Hay. 1902. Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868
Parent taxon: Pisces according to O. P. Hay 1902
Sister taxa: Actinopterygii, Actinopterygii, Andreolepis, Cephaloxeniformes, Coregonidae, Crenilepis, Cyclotomodon, Dialipiniformes, Discordichthyiformes, Ganoidei, Iniomi, Lophosteus, Naxilepis, Pattonia, Pattonia couttsi, Preophiodon, Sarcopterygii, Tythonichthys, Percidarum, Otolithopsis, Rhytiodus, Charitosaurus, Chrondroterygia, Malacostomata, Dipneusta, Teleostomata, Lepidoleprus, Ptilichnus, Aspidoganoidei, Hypostomata, Argentinoideorum
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Azygostei in the database