Cephalopoda - Ammonitida - Arietitidae
Alternative spelling: Alsatitidae
Synonym: Proarietitinae Spath 1924
Full reference: L.F. Spath. 1924. The ammonites of the Blue Lias. Proceedings of the Geologists’ Association 35:186-211, 18 Pl
Parent taxon: Arietitidae according to M. K. Howarth 2013
See also Delsate et al. 2002 and Matsumoto 1956
Sister taxa: Aegoceras albense, Agassiceratinae, Arietitinae, Bartoliniceras, Hypasteroceratinae, Pseudotropitinae
Subtaxa: Alsatites Canavarites Gonioptychoceras Pseudaetomoceras Tipperoceras Yebisites
Type: Alsatites
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Argentina (1 collection), Austria (6), Canada (33: British Columbia), Chile (14), China (1), France (3), Italy (1), Japan (1), the Netherlands (1), Peru (1), the United Kingdom (2), United States (21: Nevada, Oregon)
Total: 85 collections including 100 occurrences