Cephalopoda - Ceratitida - Trachyceratidae
Synonym: Nannitidae Diener 1897
Parent taxon: Trachyceratoidea according to M. Urlichs 2017
See also Astakhova 1971, Brayard et al. 2009, Fantini Sestini 1996, Gómez-Luna et al. 1998, Pérez Valera 2005, Tozer 1981 and Tozer 1994
Sister taxa: Arpaditidae, Buchitidae, Distichitidae, Dronovitidae, Noridiscitidae
Subtaxa: Anolcitinae Arpaditinae Boreotrachyceras Brotheotrachyceras Hannaoceras Haoceratinae Nannites Okhototrachyceras Protrachyceratinae Sirenitinae Trachyceratinae
Ecology: nektonic carnivore
Distribution:
• Triassic of Afghanistan (2 collections), Austria (7), Bosnia and Herzegovina (2), Canada (191: Alberta, British Columbia, Northwest Territories, Nunavut, Yukon), China (23), Croatia (1), Germany (4), Greece (3), Hungary (13), India (7), Indonesia (13), Israel (3), Italy (237), Japan (5), Malaysia (4), Mexico (3), Nepal (3), Papua New Guinea (1), Peru (1), Romania (2), the Russian Federation (49), Slovenia (6), Spain (25), Svalbard and Jan Mayen (9), Switzerland (1), Thailand (4), Turkey (15), Ukraine (2), United States (55: Alaska, California, Nevada, Oregon), Vietnam (1)
Total: 692 collections including 1312 occurrences