Parent taxon: Mollusca according to E. I. Miagkova 1967
See also Fuchs et al. 2013, Giribet et al. 2006, Martin 1904, Sepkoski 2002, Smith 1927, Squires 1984, Stanton 1895 and Wells and Houston 2001
Sister taxa: Acevina, Actinoconus, Aculopileus, Acutirostriconus, Aldanolina, Algomella, Anisomyaria, Aplacophora, Aulacotrochus, Aviculocephaloconus, Bagenoviella, Beroides, Bisulcus, Bivalvia, Calyptoptomatida, Cambroscutum, Caudofoveata, Centriconus, Chiton cottae, Codonoconus, Conchifera, Conchula, Corystos, Crestoconus, Cyrtostoma, Dingus, Diplacophora, Dysmea, Dysnoetopla, Ebianella, Eosoconus, Gastropoda, Granoconus, Gutticonus, Hamatoconus, Helcionelloida, Hemithecellitina, Huangshandogoconus, Huangshandongoconus, Kaschkadakia, Katunioides, Kepinospira, Khairkhaniidae, Khairkhaniiformes, Kraikchania, Kuanchuanella, Laticonus, Liantuoconus, Ligyrokala, Mackenziella, Maikhanellidae, Makarakia, Merismoconcha, Minymerisma, Nothamusium, Odontogriphus, Omalenlina, Paragastropoda, Peotoconus, Polytropis, Porcaconus, Proconus, Pseudomatthevia, Rostroconchia, Sachitida, Salanyella, Sargaella, Scamboscamna, Scaphopoda, Serialia, Sinuconus, Solenogastres, Songlingella, Spatuloconus, Stenothecella, Sulcocarina, Tergomya, Trunctoconus, Tuberoconus, Watsonella, Xilingxiaconus, Xinnanospira, Yangtzemerisma
Subtaxa: Actinoceratoidea Akidocheilus Ammonoidea Anomalosaepiidae Avramidiscus Bactritoidea Barrandeocerida Belosaepia Burronoceras Coleoidea Dartoceras Davidiceras Desmoceras Didymoceras Ectocochlia Ellesmerocerida Endoceratoidea Endocycloceratidae Erlangericheilus Gonatocheilus Hadrocheilus 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
Ecology: fast-moving nektonic carnivore