Parent taxon: Cephalopoda according to W. Kiessling 2003
Sister taxa: Actinoceratoidea, Akidocheilus, Ammonoidea, Anomalosaepiidae, Avramidiscus, Bactritoidea, Barrandeocerida, Belosaepia, Burronoceras, Coleoidea, Dartoceras, Davidiceras, Desmoceras, Didymoceras, Ectocochlia, Ellesmerocerida, Endoceratoidea, Endocycloceratidae, Erlangericheilus, Gonatocheilus, Hadrocheilus, Irianoceras, Lamellaptychus, Leptocheilus, Multiceratoidea, Nautilia, Nautiloidea, Nautilus (Solenochilus), Ohioceratidae, Orthoceratoidea, Orthoceratoidea, Palaeoteuthis, Plectronoceratia, Plectronocerida, Rhyncholithes, Rhynchoteuthis, Robsonoceratidae, Scaptorrhynchus, Sichunoceras, Stemtonoceratidae, Tarphyceratia, Teratoceroides, Tetrabranchiata, Tillicheilus, Toxancyloceras, Werthenoceras, Yanhecerida
Subtaxa: none
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Mesoteuthoidea in the database