Cephalopoda - Ammonitida - Holcodiscidae

Alternative combination: Ammonites horridus

Full reference: A. d'Orbigny. 1850. Prodrome du paléontologie stratigraphique universelle des animaux mollusques et rayonnés faisant suite au cours élémentaire de paléontologie et de géologie stratigraphique 2:1-428

Belongs to Parasaynoceras according to J. Klein 2005

Sister taxon: Parasaynoceras mexicanum

Type specimen: MNHN.F.R07522, a shell

Ecology: fast-moving nektonic carnivore

Distribution: there are no occurrences of Parasaynoceras horridus in the database

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Specimen images are retrieved through the ePANDDA API.