ammonites
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†superfamily Gastrioceratoidea Hyatt 1884 (ammonite)

Cephalopoda - Ammonoidea

PaleoDB taxon number: 148244

Alternative spelling: Gastriocerataceae

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

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

Sister taxa: Adrianitoidea, Agathiceratoidea, Cycloloboidea, Dimorphoceratoidea, Girtyocerataceae, Goniatitoidea, Gonioloboceratoidea, Marathonitoidea, Neodimorphoceratoidea, Neoglyphioceratoidea, Neoicoceratoidea, Nomismoceratoidea, Pericycloidea, Popanoceratoidea, Schistoceratoidea, Shumarditoidea, Somoholitoidea, Thalassoceratoidea

Subtaxa: Gastrioceratidae, Glaphyritidae, Homoceratidae, Reticuloceratidae

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Ecology: fast-moving nektonic carnivore