Cephalopoda - Ammonoidea - Deshayesitidae

Full reference: A. Stoyanow. 1949. Lower Cretaceous stratigraphy in southeastern Arizona. Geological Society of America Memoir 38:1-156

Parent taxon: Acanthohoplitinae according to A. Stoyanow 1949

Sister taxa: Acanthohoplites, Colombiceras, Gargasiceras, Immunitoceras, Neodeshayesites, Paracanthoplites, Penaceras

Subtaxa: Paracanthohoplites meridionalis

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Ecology: fast-moving nektonic carnivore