Cephalopoda - Nautilida

Full reference: V. E. Ruzhentsev and V. N. Shimanskiy. 1954. Nizhnepermskie Svernutye i Sognutye Nautiloidei Yuzhnogo Urala [Lower Permian coiled and bent nautiloids of the southern Urals]. Trudy Paleontologicheskogo Instituta 50:1-150

Parent taxon: Tainocerataceae according to C. Teichert et al. 1964

Sister taxa: Koninckioceratidae, Rutoceratidae, Tainoceratidae, Tetragonoceratidae

Subtaxa: Pararhiphaeoceras, Rhiphaeoceras, Rhiphaeonautilus, Sholakoceras

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Ecology: nektobenthic carnivore