ammonites
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†superfamily Prionoceratoidea Hyatt 1884 (ammonite)

Cephalopoda - Ammonoidea

PaleoDB taxon number: 148179

Alternative spelling: Prionocerataceae

Full reference: A. Hyatt. 1884. Genera of fossil cephalopods. Proceedings of the Boston Society of Natural History 22:253-338

Parent taxon: Tornoceratina according to W. M. Furnish et al. 2009

Sister taxa: Karagandoceratoidea, Praeglyphioceratoidea, Pseudohaloritoidea, Tornocerataceae, Tornoceratoidea

Subtaxa: Acrocanitidae, Cheiloceratidae, Gattendorfiidae, Prionoceratidae, Pseudarietitidae, Voehringeritidae

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Ecology: fast-moving nektonic carnivore