†superfamily Protancyloceratoidea Breistroffer 1947 (ammonite)
Parent taxon: Ancyloceratina according to J. Klein et al. 2007
Sister taxa: Acanthohoplitoidea, Ancyloceratoidea, Douvilleiceratoidea, Parahoplitoidea, Scaphitoidea, Turrilitoidea
Subtaxa: Aegocrioceratidae Protancyloceratidae
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Antarctica (1 collection), Argentina (10), Chile (4), Colombia (6), Cuba (1), France (1), Hungary (1), Italy (2), Mexico (3), Poland (2), Spain (27), Trinidad and Tobago (1), United States (2: California)
• Jurassic to Cretaceous of Antarctica (1)
• Jurassic of Colombia (2), Cuba (15), France (1), Iraq (2), Italy (1)
Total: 83 collections including 102 occurrences