Cephalopoda - Ammonitida

Parent taxon: Perisphinctoidea according to P. Alsen 2006

Sister taxa: Aspidoceratidae, Neocomitidae, Reinceckeiidae

Subtaxa: Craspeditinae, Polyptychitinae, Simbirskitinae, Tolliinae

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Ecology: fast-moving nektonic carnivore