Parent taxon: Osteichthyes according to R. L. Wilson 1967
See also Jordan 1963
Sister taxa: Actinopterygii, Actinopterygii, Andreolepis, Cephaloxeniformes, Crenilepis, Cyclotomodon, Dialipiniformes, Discordichthyiformes, Ganoidei, Iniomi, Lophosteus, Naxilepis, Pattonia, Pattonia couttsi, Preophiodon, Sarcopterygii, Tythonichthys, Percidarum, Charitosaurus, Chrondroterygia, Dipneusta, Otolithopsis, Azygostei, Malacostomata, Aspidoganoidei, Hypostomata, Rhytiodus, Teleostomata, Ptilichnus, Argentinoideorum, Lepidoleprus
Subtaxa: Beckius Coregonus Parastenodus
Ecology:
Distribution:
• Quaternary of Canada (2: Northwest Territories, Yukon collections), the Russian Federation (1), United States (1: Michigan)
• Eocene of United States (3: California)
Total: 7 collections including 11 occurrences