ammonites
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Gateway to the Paleobiology Database
Metaptychoceras (ammonite)

Cephalopoda - Ammonitida - Hamitidae

PaleoDB taxon number: 15192

Parent taxon: Hamitidae according to W. J. Kennedy and W. A. Cobban 1990

Sister taxa: Hamitella, Hamites, Hemiptychoceras, Lytohamites, Pictetia, Planohamites, Puebloites, Stomohamites

Subtaxa: Metaptychoceras smithi

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Type: Ptychoceras smithi

Ecology: fast-moving nektonic carnivore