Full reference: A. K. Miller and W. Youngquist. 1949. American Permian nautiloids. Geological Society of America Memoir 41:1-218
Parent taxon: Nautilida according to V. E. Ruzhentsev and V. N. Shimanskiy 1954
Sister taxa: Adeloceras, Aipocerataceae, Aktubonautilidae, Alethynoceras, Anepheloceras, Anglonautlis, Aphractus, Askeatonolucidum, Bastindoceras, Capriocornites, Catastroboceras, Celox, Centroceratidae, Clydonautilaceae, Cranoceras, Danzikoceras, Dasbergoceras, Dentoceratidae, Dinocycloceras, Dzhinsetoceras, Euciphoceras, Geitonoceras, Grzegorzewskia, Hercoglossoceras, Koninckioceras, Krykyloceras, Kummeloceras, Mahoningoceras, Mosquoceratidae, Nautilitaceae, Nautiloceras, Neobistrialites, Nikenautilus, Ophionautilus, Palaskensis, Palelialia, Parachouteauoceras, Perigrammoceras, Piratoceras, Pleuronautilidae, Pseudaturoidea, Pseudocatastroboceras, Pseudophacoceras, Pseudostenopoceras, Pseudotitanoceras, Simplicioceras, Soakinautilus, Stenzeloceras, Tainocerataceae, Thaymastoceras, Thrincoceratidae, Trematodiscus, Triboloceras, Trigonocerataceae, Tumidonautilus, Uloceras, Valhallites, Vertorhizoceras, Yakutionautilus
Subtaxa: Neodomatoceras, Parapenascoceras, Penascoceras, Permodomatoceras, Stenodomatoceras
Ecology: nektobenthic carnivore