Cephalopoda - Ammonitida - Arietitidae
Synonym: Arnioceratidae Spath 1924
Parent taxon: Arietitidae according to M. K. Howarth 2013
See also Blau 1998, Bremer 1965, Corna and Dommergues 1995, Geczy and Meister 2007, Macchioni et al. 2006 and Meister and Friebe 2003
Sister taxa: Aegoceras albense, Agassiceratinae, Alsatitinae, Bartoliniceras, Hypasteroceratinae, Pseudotropitinae
Subtaxa: Arietites Arnioceras Coroniceras Guexiceras Longziceras Metarnioceras Schreinbachites Tmaegoceras Vermiceras
Type: Arietites
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Argentina (8 collections), Austria (36), Canada (125: Alberta, British Columbia, Yukon), Chile (58), China (8), France (14), Germany (32), Hong Kong (2), Hungary (15), Indonesia (6), Italy (10), Luxembourg (2), Mexico (16), New Caledonia (1), New Zealand (1), Peru (1), Romania (1), the Russian Federation (1), Slovakia (1), Switzerland (1), Tunisia (3), Turkey (3), Ukraine (4), the United Kingdom (30), United States (64: Alaska, California, Nevada, Oregon)
• Triassic to Jurassic of Austria (1), Chile (1)
Total: 445 collections including 793 occurrences