Cephalopoda - Goniatitida

Parent taxon: Goniatitina according to D. Korn 2006

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

Subtaxa: Clistoceratidae, Stenolaphyritidae

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Ecology: fast-moving nektonic carnivore