†subfamily Bradfordiinae Donovan et al. 1981 (ammonite)
Cephalopoda - Ammonitida - Oppeliidae
Parent taxon: Oppeliidae according to A. Galácz 2015
Sister taxa: Aconeceratinae, Bonarelliinae, Bukowskites, Cieneguiticeras, Distichoceratinae, Glochiceras, Glochiceratinae, Hecticoceratinae, Mazapilitinae, Naramoceras, Ochetoceratinae, Oppelia, Oppeliinae, Oxycerites, Paroecotraustes, Paroxycerites, Pasottia, Prohecticoceras, Streblitinae, Taramelliceratinae
Subtaxa: Bradfordia Praeoppelia
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Canada (1: Yukon collection), Hungary (2), Italy (6), Morocco (9), Poland (1), Saudi Arabia (1), Spain (1), the United Kingdom (1), United States (4: Alaska)
Total: 26 collections including 44 occurrences