Cephalopoda - Ammonitida - Acanthoceratidae

Parent taxon: Acanthoceratinae according to W. J. Kennedy 1994

Sister taxa: Acanthoceras, Calycoceras, Eucalycoceras, Hypacanthohoplites, Nebraskites, Quitmaniceras

Subtaxa: Cunningtoniceras cunningtoni, Cunningtoniceras inermis

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Ecology: fast-moving nektonic carnivore