ammonites
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Calygirtyoceras darkaouaense Korn et al. 1999 (ammonite)

Cephalopoda - Ammonoidea - Girtyoceratidae

PaleoDB taxon number: 338843

Full reference: D. Korn, C. Klug, and R. Mapes. 1999. Visťan and Early Namurian Ammonoids from the Tafilalt (Eastern Anti-Atlas, Morocco). Abhandlungen der Geologischen Bundesanstalt 54:345-375

Belongs to Calygirtyoceras according to C. Klug et al. 2016

Sister taxa: Calygirtyoceras arcticum, Calygirtyoceras confusionense, Calygirtyoceras moorei, Calygirtyoceras platyforme, Calygirtyoceras zrigatense

Type specimen: GPIT 1851-87, a shell. Its type locality is 12 km southeast of Dar Kaoua Oasis, which is in an Asbian marine horizon in Morocco.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 15.1, shell diameter 21.3