†suborder Haplocerina (ammonite)
Parent taxon: Ammonitida according to A. A. Shevyrev 2006
Sister taxa: Ammonitina, Ancylocerina, Ataxioceratidae, Cardiocerina, Gastroplitinae, Psilocerina, Pulchelliidae, Stephanocerina
Subtaxa: none
Ecology: fast-moving nektonic carnivore