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Parkinsonia (Parkinsonia) arietis

Cephalopoda - Ammonoida - Stephanoceratidae

Taxonomy
Parkinsonia arietis was named by Wetzel (1911).

It was synonymized subjectively with Rarecostites radiatum by Besnosov and Mitta (1993); it was recombined as Parkinsonia (Parkinsonia) arietis by Dietze (2000).