Cephalopoda - Nautilida

Parent taxon: Nautilitaceae according to H. C. Klinger 1985

Sister taxa: Cymatoceratidae, Eutrephoceratidae, Hercoglossidae, Paracenoceratidae, Pseudonautilidae

Subtaxa: Allonautilus, Aturinae, Carinonautilus, Cenoceras, Nautilinae, Nautilus, Obinautilus, Paracymatoceras, Pseudocenoceras, Strionautilus

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Type: Allonautilus

Ecology: nektonic carnivore