Cephalopoda - Ammonitida - Stephanoceratidae
Alternative spelling: Durotrigensia
Parent taxon: Parkinsonia according to M. ZatoĊ 2010
See also Arkell et al. 1957, Besnosov and Mitta 1993, Dietze 2000 and Sepkoski 2002
Sister taxa: Parkinsonia (Gonolkites), Parkinsonia (Parkinsonia), 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 (Durotrigensia) bomfordi Parkinsonia (Durotrigensia) bradstockensis Parkinsonia (Durotrigensia) dorsetensis Parkinsonia (Durotrigensia) neuffensis Parkinsonia (Durotrigensia) pseudoferruginea
Type: Ammonites dorsetensis
Distribution:
• Jurassic of Germany (3 collections), Poland (6), the Russian Federation (5), Ukraine (1), the United Kingdom (3)
Total: 18 collections including 23 occurrences