Class Hypostomata Jaekel 1911 (bony fish)
Full reference: O. Jaekel. 1911. Die Wirbeltiere. Eine Übersicht über die Fossilen und Lebenden Formen [The Vertebrates. An Overview of the Fossil and Living Forms] viii-252
Parent taxon: Pisces according to O. Jaekel 1911
Sister taxa: Actinopterygii, Actinopterygii, Andreolepis, Cephaloxeniformes, Coregonidae, Crenilepis, Cyclotomodon, Dialipiniformes, Discordichthyiformes, Ganoidei, Iniomi, Lophosteus, Naxilepis, Pattonia, Pattonia couttsi, Preophiodon, Sarcopterygii, Sparalepis, Tythonichthys, Azygostei, Rhytiodus, Lepidoleprus, Aspidoganoidei, Charitosaurus, Otolithopsis, Ptilichnus, Chrondroterygia, Argentinoideorum, Dipneusta, Percidarum, Teleostomata, Malacostomata
Subtaxa: Placoidea
Ecology: