Cephalopoda - Ammonitida - Hammatoceratidae
Parent taxon: Hammatoceratoidea according to M. Benzaggagh et al. 2022
See also Arthur et al. 1993, Howarth 2013 and Kovács 2009
Sister taxa: none
Subtaxa: Erycitinae Fissilobiceras Geczyceras Hammatoceras Hammatoceratinae Podagrosiceratinae Rarenodia Zurcheriinae
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Japan (1 collection)
• Jurassic of Argentina (16), Bulgaria (2), Canada (90: British Columbia, Northwest Territories, Yukon), Chile (21), France (30), Germany (13), Hungary (134), Indonesia (1), Iran (3), Italy (20), Morocco (27), the Russian Federation (2), Saudi Arabia (1), Slovakia (1), Spain (90), Thailand (1), Tunisia (2), Ukraine (1), the United Kingdom (7), United States (11: Alaska, Oregon)
Total: 474 collections including 888 occurrences