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Gravesia polypleura Hahn 1963 (ammonite)

Cephalopoda - Ammonoidea - Aulacostephanidae

PaleoDB taxon number: 310275

Belongs to Gravesia according to M. S. Mesezhnikov 1984

Sister taxa: Gravesia gigas, Gravesia gravesiana

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 41.3, shell diameter 96.0