Cephalopoda - Ammonoidea - Diplomoceratidae

Parent taxon: Diplomoceratinae according to W. J. Kennedy 1993

Sister taxa: Chesapeakella, Diplomoceras, Glyptoxoceras, Lewyites, Polyptychoceras, Scalarites

Subtaxa: Neancyloceras bipunctatum

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Type: Ancyloceras bipunctatus

Ecology: fast-moving nektonic carnivore