Cephalopoda - Nautilida - Temnocheilidae

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: Temnocheilidae according to D. Korn 2025

See also Leonova and Shchedukhin 2020

Sister taxa: Endolobus, Knightoceras, Kummeloceras, Latitemnocheilus, Nikenautilus, Paravalhallites, Temnocheiloides, Temnocheilus, Tylodiscoceras, Valhallites

Subtaxa: Alexoceras mazaevi

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Type: Alexoceras mazaevi

Ecology: nektobenthic carnivore

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

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Specimen images are retrieved through the ePANDDA API.