ammonites
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Biarmiceras Leonova et al. 2005 (ammonite)

Cephalopoda - Ammonoidea - Mongoloceratidae

PaleoDB taxon number: 125325

Full reference: T. B. Leonova, R. V. Kutygin, and O. P. Shilovsky. 2005. New data on the composition and evolution of the Permian superfamily Popanocerataceae (Ammonoidea). Paleontological Journal 39(5):476-486

Parent taxon: Mongoloceratidae according to T. B. Leonova and O. P. Shilovsky 2014

Sister taxa: Angrenoceras, Mongoloceras

Subtaxa: Biarmiceras barskovi, Biarmiceras esaulovae, Biarmiceras kremeshkense, Biarmiceras subtumarense, Biarmiceras tumarense

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Type: Popanoceras tumarense

Ecology: fast-moving nektonic carnivore