Parent taxon: Ammonitina according to H. Parent et al. 2022
Sister taxa: Acanthoceratoidea, Deshayesitoidea, Desmoceratoidea, Engonoceratoidea, Eoderoceratoidea, Hammatoceratoidea, Haploceratoidea, Hildoceratoidea, Hoplitoidea, Lytoceratoidea, Oppeliaceae, Perisphinctaceae, Perisphinctoidea, Psiloceratoidea, Pulchelliaceae, Sphaeroceratoidea, Spiroceratoidea, Stephanoceratoidea, Hamitaceae, Nannolytoceratidae, Crioceratitaceae, Protetragonitidae, Tetragonitoidea
Subtaxa: Aspidoceratidae
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Italy (1 collection), Slovakia (1), Yemen (5)
• Jurassic to Cretaceous of Chile (2), the Russian Federation (1), Spain (1)
• Jurassic of Algeria (10), Antarctica (2), Argentina (39), Canada (2: Alberta, British Columbia), Chile (5), Cuba (1), Egypt (1), Eritrea (1), Ethiopia (2), France (55), Germany (32), Hungary (11), India (17), Iran (1), Italy (19), Madagascar (21), Mexico (8), Poland (2), Portugal (1), Romania (56), the Russian Federation (13), Saudi Arabia (9), Somalia (1), Spain (12), Switzerland (70), Ukraine (2), the United Kingdom (8), United States (2: California, Texas), Yemen (13)
Total: 427 collections including 875 occurrences