Cephalopoda - Nautilida - Liroceratidae

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: Liroceratidae according to C. Teichert et al. 1964

Sister taxa: Alexandronautilus, Bistrialites, Coelogasteroceras, Condraoceras, Indonautilus, Liroceras, Paranautilus, Peripetoceras, Permonautilus, Perunautilus, Potoceras, Tomponautilus

Subtaxa: Hemiliroceras enucleatum, Hemiliroceras inflatum, Hemiliroceras zhiltauense

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Type: Hemiliroceras inflatum

Ecology: nektobenthic carnivore