†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, Malacostomata, Aspidoganoidei, Percidarum, Hypostomata, Rhytiodus, Charitosaurus, Teleostomata, Dipneusta, Lepidoleprus, Argentinoideorum, Otolithopsis, Chrondroterygia, Ptilichnus
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Azygostei in the database