Cephalopoda - Ammonitida

Parent taxon: Ammonitina according to Zeiss 1968

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

Subtaxa: none

Ecology: fast-moving nektonic carnivore