Cephalopoda - Ammonitida

Parent taxon: Ammonitida according to M. K. Howarth 2013

Sister taxa: Ancylocerina, Ataxioceratidae, Cardiocerina, Gastroplitinae, Haplocerina, Psilocerina, Pulchelliidae, Stephanocerina

Subtaxa: Acanthocerataceae, Desmoceratidae, Engonoceratoidea, Eoderoceratoidea, Haplocerataceae, Hildoceratoidea, Hoplitaceae, Kossmaticeratidae, Neokanabiceras, Perisphinctaceae, Perisphinctoidea, Psiloceratoidea, Pulchelliaceae, Silesitidae, Simoceratidae, Sphaeroceratoidea, Stephanocerataceae, Usseliceras

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Ecology: fast-moving nektonic carnivore