Aulacostephanus (Aulacostephanus) yo d'Orbigny 1845 (ammonite)

Cephalopoda - Ammonitida - Aulacostephanidae

Alternative combination: Ammonites yo

Belongs to Aulacostephanus (Aulacostephanus) according to M. S. Mesezhnikov 1984

Sister taxa: Aulacostephanus (Aulacostephanus) pinguis, Aulacostephanus (Aulacostephanus) sagittatus

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 124.9

Distribution:

• Jurassic of the Russian Federation (5 collections)

Total: 5 collections including 6 occurrences

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Specimen images are retrieved through the ePANDDA API.


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