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Bostrychoceras Hyatt 1900 (ammonite)

Eumetazoa - Triploblastica - Nostoceratidae

Alternative spelling: Nostoceras (Bostrychoceras)

Parent taxon: Nostoceratidae according to W. J. Kennedy et al. 2000

Sister taxa: Anaklinoceras, Ankinatsytes, Axonoceras, Cirroceras, Didymoceras, Eubostrychoceras, Exiteloceras, Helicoceras, Jouaniceras, Nostoceras

Subtaxa: Nostoceras (Bostrychoceras) polyplocum

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Ecology: fast-moving nektonic carnivore