Cephalopoda - Ceratitida - Trachyceratidae
Parent taxon: Trachyceratidae according to M. Urlichs 2017
See also Brack and Rieber 1993, Fantini Sestini 1994, Lukeneder and Lukeneder 2014, Parnes 1986, Pérez Valera 2005, Tozer 1980, Tozer 1981 and Tozer 1994
Sister taxa: Anolcitinae, Arpaditinae, Boreotrachyceras, Brotheotrachyceras, Hannaoceras, Haoceratinae, Langdaiceras, Nannites, Okhototrachyceras, Sirenitinae, Trachyceratinae
Subtaxa: Eoprotrachyceras Paratrachyceras Protrachyceras Spirogmoceras
Ecology: nektonic carnivore
Distribution:
• Triassic of Austria (1 collection), Bosnia and Herzegovina (1), Canada (36: Alberta, British Columbia, Nunavut), China (10), Greece (1), Hungary (5), India (3), Indonesia (2), Israel (3), Italy (51), Japan (2), Malaysia (2), Mexico (1), Romania (2), the Russian Federation (4), Slovenia (5), Spain (20), Svalbard and Jan Mayen (2), Switzerland (1), Thailand (1), Turkey (8), United States (14: Alaska, California, Nevada), Vietnam (1)
Total: 176 collections including 244 occurrences