ammonites
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Gravesia (ammonite)

Cephalopoda - Ammonoidea - Aulacostephanidae

PaleoDB taxon number: 14942

Parent taxon: Gravesiinae according to A. Zeiss 1987

Sister taxon: Praegravesia

Subtaxa: Gravesia gigas, Gravesia gravesiana, Gravesia polypleura

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Type: Ammonites gigas

Ecology: fast-moving nektonic carnivore