ammonites
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Parasaynoceras Breistroffer 1947 (ammonite)

Cephalopoda - Ammonoidea - Holcodiscidae

PaleoDB taxon number: 15350

Parent taxon: Holcodiscidae according to J. Klein 2005

Sister taxa: Holcodiscus, Jeanthieuloyites, Pseudovaldedorsella, Spitidiscinae

Subtaxa: Parasaynoceras horridus, Parasaynoceras mexicanum

View classification

Type: Ammonites horridus

Ecology: fast-moving nektonic carnivore