Cephalopoda - Ammonitida

Parent taxon: Ammonitina according to P. Alsen 2006

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

Subtaxa: Aspidoceratidae, Neocomitidae, Polyptychitidae, Reinceckeiidae

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Ecology: fast-moving nektonic carnivore