Cephalopoda - Nautilida - Tainoceratidae
Full reference: A. K. Miller and A. G. Unklesbay. 1942. Permian nautiloids from western United States. Journal of Paleontology 16(6):719-738
Parent taxon: Tainoceratidae according to C. Teichert et al. 1964
Sister taxa: Anoploceras, Anthodiscoceras, Araxonautilus, Arctonautilus, Clavinautilus, Cooperoceras, Encoiloceras, Enoploceras, Eulomacoceras, Germanonautilus, Gzheloceras, Hefengnautilus, Hexagonites, Holconautilus, Huanghoceras, Lichuanoceras, Lirometacoceras, Meixianlingites, Metacoceras, Mojsvaroceras, Neoclavinautilus, Neotainoceras, Nodonautilus, Nodopleuroceras, Parametacoceras, Paratainoceras, Paratainonautilus, Phaedrysmocheilus, Phloioceras, Pleuronautilus, Pseudometacoceras, Pseudotemnocheilus, Seironautilus, Siamnautilus, Sibyllonautilus, Sinotitanoceras, Tainionautilus, Tainoceras, Tanchiashanites, Thuringionautilus, Tirolonautilus, Trachynautilus, Tylonautilus, Pseudofoordiceras, Heurekoceras, Hunanoceras
Subtaxa: Aulametacoceras binodosum, Aulametacoceras humboldtensis, Aulametacoceras mckeei, Aulametacoceras rectangularis
Ecology: nektobenthic carnivore