Parent taxon: Cephalopoda according to C. Teichert et al. 1964
Sister taxa: Actinoceratoidea, Akidocheilus, Ammonoidea, Anomalosaepiidae, Avramidiscus, Bactritoidea, Barrandeocerida, Belosaepia, Burronoceras, Coleoidea, Dartoceras, Davidiceras, Desmoceras, Didymoceras, Ectocochlia, Ellesmerocerida, Endoceratoidea, Endocycloceratidae, Erlangericheilus, Gonatocheilus, Irianoceras, Lamellaptychus, Leptocheilus, Mesoteuthoidea, 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: Hadrocheilus (Arcuatobeccus) Hadrocheilus (Convexiterbeccus) Hadrocheilus (Dentatobeccus) Hadrocheilus (Globosobeccus) Hadrocheilus (Hadrocheilus)
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Hadrocheilus in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.