ammonites
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†family Ptychoceratidae Meek 1876 (ammonite)

Cephalopoda - Ammonitida

PaleoDB taxon number: 84989

Alternative spelling: Ptychoceratinae

Parent taxon: Ancylocerataceae according to G. Landra et al. 2000

Sister taxa: Acrioceratidae, Ancyloceratidae, Crioceratitidae, Hemihoplitidae, Heteroceratidae, Himantoceratidae, Labeceratidae, Ptychoceras aequicostatus

Subtaxa: Ptychoceras

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Ecology: fast-moving nektonic carnivore