Cephalopoda - Ammonitida - Stephanoceratidae
Parent taxon: Parkinsonia according to M. ZatoĊ 2010
See also Dietze 2000
Sister taxa: Parkinsonia (Durotrigensia), Parkinsonia (Gonolkites), Parkinsonia balakhanensis, Parkinsonia compressa, Parkinsonia densicosta, Parkinsonia depressa, Parkinsonia doneziana, Parkinsonia dorni, Parkinsonia eimensis, Parkinsonia friedericiaugusti, Parkinsonia nitaensis, Parkinsonia pachypleura, Parkinsonia parkinsoni, Parkinsonia perplanulata, Parkinsonia planulata, Parkinsonia pseudoparkinsoni, Parkinsonia pseudoplanulata, Parkinsonia radiata, Parkinsonia rarecostata, Parkinsonia subarietis, Parkinsonia toulai, Parkinsonia wetzeli, Parkinsonia zatwornitzkii
Subtaxa: Parkinsonia (Parkinsonia) arietis Parkinsonia (Parkinsonia) schloenbachi
Type: Ammonites parkinsoni
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Germany (4 collections), Poland (2), the Russian Federation (4)
Total: 10 collections including 11 occurrences