†subfamily Leukadiellinae Macchioni and Venturi 2000 (ammonite)
Cephalopoda - Ammonitida - Hildoceratidae
Parent taxon: Hildoceratidae according to M. K. Howarth 2013
Sister taxa: Arieticeratinae, Bouleiceratinae, Grammoceratinae, Harpoceratinae, Hildoceratinae, Mercaticeratinae, Paroniceratinae, Protogrammoceratinae, Tmetoceratinae
Subtaxa: Leukadiella Renziceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Canada (19: British Columbia collections), Hungary (2), Spain (1)
Total: 22 collections including 23 occurrences