Cephalopoda - Ammonitida - Acanthohoplitidae
Full reference: A. Stoyanow. 1949. Lower Cretaceous stratigraphy in southeastern Arizona. Geological Society of America Memoir 38:1-156
Parent taxon: Acanthohoplitoidea according to J. L. Latil and E. Jaillard 2023
Sister taxa: none
Subtaxa: Acanthohoplitinae
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Argentina (1 collection), Colombia (2), Denmark (1), Egypt (1), France (46), Georgia (1), Germany (7), Hungary (1), Iran (24), Italy (2), Japan (7), Madagascar (11), Mexico (69), Morocco (3), Mozambique (4), Peru (11), the Russian Federation (3), South Africa (3), Tunisia (3), the United Kingdom (16), United States (38: Arizona, California, Louisiana, Texas), Venezuela (4)
Total: 258 collections including 427 occurrences