Cephalopoda - Ceratitida

Parent taxon: Noritaceae according to E. T. Tozer 1981

Sister taxa: Inyoitidae, Lanceolitidae, Noritidae, Noritidea, Ophioceratidae, Ussuriidae

Subtaxa: Amphistephanites, Stephanites

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Ecology: nektonic carnivore