ammonites
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†family Hamulinidae Gill 1871 (ammonite)

Cephalopoda - Ammonoidea

PaleoDB taxon number: 133065

Synonym: Anahamulinidae Breistroffer 1952 (taxon 365921)

Parent taxon: Ptychoceratoidea according to J. Klein et al. 2007

Sister taxa: Macroscaphitidae, Megacrioceratidae

Subtaxa: Anahamulina, Hamulina

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Ecology: fast-moving nektonic carnivore