Cephalopoda - Nautilida - Liroceratidae

Full reference: T. B. Leonova and A. Y. Shchedukhin. 2020. Asselian-Sakmarian nautiloids of the Shakh-Tau Reef (Bashkortostan). Paleontological Journal 54:1113-1134

Parent taxon: Liroceratidae according to D. Korn 2025

See also Leonova and Shchedukhin 2020

Sister taxa: Bistrialites, Celeroliroceras, Coelogasteroceras, Condraoceras, Hemiliroceras, Jianoceras, Leniceras, Liroceras, Nemdoceras, Neobistrialites, Paraliroceras, Paranautilus, Peripetoceras, Perunautilus, Potoceras, Pseudophacoceras, Shikhanonautilus, Stearoceras, Tatianautilus, Tomponautilus

Subtaxa: Thyoceras involutum

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Type: Thyoceras involutum

Ecology: nektobenthic carnivore

Distribution: found only at Shakh-Tau Shikhan (Permian of Russian Federation)

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Specimen images are retrieved through the ePANDDA API.