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Tmaegoceras (ammonite)

Cephalopoda - Ammonitida - Arietitidae

PaleoDB taxon number: 15734

Parent taxon: Arietitinae according to M. K. Howarth 2013

Sister taxa: Arnioceras, Coroniceras, Guexiceras, Longziceras, Metarnioceras, Schreinbachites, Vermiceras

Subtaxa: Tmaegoceras crassiceps, Tmaegoceras nudaries

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Ecology: fast-moving nektonic carnivore