Cephalopoda - Ammonoidea - Acanthoceratidae

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

Alternative spelling: Calycoceras (Eucalycoceras)

Type: Ammonites pentagonus

Ecology: fast-moving nektonic carnivore

Subtaxa: Eucalycoceras collignoni, Eucalycoceras denizoti, Eucalycoceras gothicum, Eucalycoceras pentagonus (view classification)