†subfamily Leioceratinae Spath 1936 (ammonite)
Cephalopoda - Ammonitida - Graphoceratidae
Parent taxon: Graphoceratidae according to M. K. Howarth 2013
Sister taxa: Ancolioceras, Cordubiceras, Graphoceratinae
Subtaxa: Canavarella Costileioceras Cylicoceras Leioceras Staufenia
Ecology: fast-moving nektonic carnivore
Distribution: