Spiroceras annulatum d'Orbigny 1850 (ammonite)

Cephalopoda - Ammonitida - Spiroceratidae

Alternative combinations: Ancyloceras annulatus, Hamites annulatus

Synonym: Toxoceras obliquus Baugier and Sauze 1843

Full reference: A. d'Orbigny. 1850. Paléontologie Française - Description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France - Terrains jurassiques. [Céphalopodes]. 1((Lvr 55-62):521-632

Belongs to Spiroceras according to A. Galácz 2017

See also Baugier and Sauze 1843, Besnosov and Mitta 1993, d'Orbigny 1850, Dietze 2000, Majidifard 2015 and Mitta 2017

Sister taxa: Helicoceras teilleuxi, Spiroceras althoffi, Spiroceras bifurcatum, Spiroceras bispinatum, Spiroceras cylindricum, Spiroceras fourneti, Spiroceras garani, Spiroceras levigatum, Spiroceras obliquecostatum, Spiroceras orbignyi, Spiroceras rarispina, Spiroceras sauzeanum

Ecology: fast-moving nektonic carnivore

Distribution:

• Jurassic of Germany (2 collections), Iran (1), Kenya (1), the Russian Federation (2), Saudi Arabia (2), Spain (1)

Total: 9 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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