†family Protancyloceratidae Breistroffer 1947
Cephalopoda - Ammonitida - Protancyloceratidae
Alternative spelling: Protancyloceratinae
Parent taxon: Protancyloceratoidea according to J. Klein et al. 2007
See also Cantu-Chapa 1962, Myczynski 1989 and Wright 1952
Sister taxon: Aegocrioceratidae
Subtaxa: Cochlocrioceras Juddiceras Leptoceras Parapedioceras Protanclyoceras Protancyloceras Vinalesites
Distribution:
• Cretaceous of Colombia (6 collections), Cuba (1), France (1), Hungary (1), Italy (2), Mexico (2), Poland (2), Spain (27), Trinidad and Tobago (1)
• Jurassic to Cretaceous of Antarctica (1)
• Jurassic of Colombia (2), Cuba (15), France (1), Iraq (2), Italy (1)
Total: 65 collections including 83 occurrences