Helicoceras d'Orbigny 1840 (ammonite)

Cephalopoda - Ammonitida - Nostoceratidae

Parent taxon: Nostoceratidae according to W. J. Kennedy and M. Bilotte 1995

Sister taxa: Amapondella, Anaklinoceras, Ankinatsytes, Axonoceras, Bostrychoceras, Bostrychoceratinae, Cirroceras, Didymoceras, Emperoceratinae, Eubostrychoceras, Exicrioceras, Exiteloceras, Hyphantoceras, Hyphantoceratinae, Jouaniceras, Morewites, Neoturrilites, Nipponites, Nostoceras, Notoceras, Pravitoceras, Tridenticeras, Turrilitoides

Subtaxa: Helicoceras annulatum Helicoceras hystriculum

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Ecology: fast-moving nektonic carnivore

Distribution:

• Cretaceous of Angola (1 collection), Brazil (1), United States (12: Alabama, Mississippi, Tennessee, Texas)

Total: 14 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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