ammonites
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Pachysphinctes Dietrich (ammonite)

Cephalopoda - Ammonoidea - Perisphinctidae

PaleoDB taxon number: 15313

Parent taxon: Virgatosphinctinae according to R. Myczynski 1989

Sister taxa: Aulacosphinctoides, Laugeites, Phanerostephanus, Pseudoinvoluticeras, Subplanites, Torquatisphinctes, Virgatosphinctes

Subtaxa: none

Ecology: fast-moving nektonic carnivore