Cephalopoda - Ammonitida - Ancyloceratidae
Parent taxon: Ancyloceratidae according to E. Robert et al. 2018
See also Förster and Weier 1983, Klinger and Kennedy 1992, Landra et al. 2000, Ovando-Figueroa et al. 2018 and Szives 2007
Sister taxa: Ammonitoceras, Anisoceratinae, Audouliceras, Australiceras, Colchidites, Koeneniceras, Leptoceratinae, Lithancylus, Paracrioceras, Pedioceras, Proaustraliceras, Pseudoaustraliceras, Pseudocrioceras, Shastoceras, Tonoceras, Volgoceratoides, Xerticeras
Subtaxa: Acanthoptychoceras Acrioceras Ancyloceras Caspianites Dirrymoceras Epancyloceras Huastecoceras Tonohamites Toxancyloceras Tropaeum
Type: Anclyoceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Antarctica (3 collections), Argentina (5), Australia (7), Azerbaijan (2), Bulgaria (1), Canada (4: Northwest Territories, Yukon), Chile (4), Colombia (3), Czechia (1), Egypt (2), France (9), Georgia (2), Germany (5), India (2), Iran (2), Italy (7), Japan (2), Madagascar (3), Mexico (13), Morocco (12), Mozambique (4), the Russian Federation (2), Slovakia (2), South Africa (8), South Georgia and the South Sandwich Islands (1), Spain (37), Svalbard and Jan Mayen (3), Switzerland (1), Tanzania (1), Trinidad and Tobago (2), Türkiye (1), the United Kingdom (25), United States (11: California), Venezuela (1)
• Jurassic of Egypt (1), Iraq (1)
Total: 190 collections including 228 occurrences