Cephalopoda - Ammonitida - Hildoceratidae
Parent taxon: Hildoceratidae according to M. Benzaggagh et al. 2022
See also Arkell 1952, Géczy et al. 2008 and Howarth 2013
Sister taxa: Arieticeratinae, Bouleiceratinae, Grammoceratinae, Harpoceratinae, Leukadiellinae, Mercaticeratinae, Paroniceratinae, Protogrammoceratinae, Tmetoceratinae
Subtaxa: Atacamiceras Hildaites Hildaitoides Hildoceras Mercaticeras Orthildaites Parahildaites
Type: Hildoceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Argentina (1 collection), Austria (1), Bulgaria (6), Canada (46: Alberta, British Columbia, Yukon), Chile (4), France (125), Germany (7), Hungary (89), Italy (50), Japan (2), Luxembourg (2), Morocco (15), Romania (1), Saudi Arabia (7), Serbia and Montenegro (1), Slovakia (1), Somalia (3), Spain (206), Tunisia (20), Ukraine (3), the United Kingdom (45), United States (3: Alaska, Nevada)
Total: 638 collections including 1054 occurrences