Cephalopoda - Ammonitida - Parkinsoniidae

Alternative combination: Ammonites contrarius

Full reference: A. d'Orbigny. 1846. Paléontologie Française - Description zoologique et géologique de tous les animaux mollusques et rayonnés fossiles de France - Terrains jurassiques. [Céphalopodes]. 1(Lvr 34-40):369-432

Belongs to Epistrenoceras according to V. Dietze and B. Hostettler 2016

See also Enay et al. 1994

Sister taxa: none

Ecology: fast-moving nektonic carnivore

Distribution: found only at Achtelmatt, near Anwil (bed 23/24 intraclasts) (Jurassic of Switzerland)

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Specimen images are retrieved through the ePANDDA API.