†family Aegocrioceratidae Vermeulen 2006 (ammonite)
Parent taxon: Protancyloceratoidea according to J. Klein et al. 2007
Sister taxon: Protancyloceratidae
Subtaxa: Aegocrioceras, Annuloceras, Bejucoceras, Hemicrioceras, Parancyloceras, Peltocrioceras, Simancyloceras
Ecology: fast-moving nektonic carnivore