Cephalopoda - Ammonitida - Perisphinctidae
Full reference: H. Salfeld. 1913. In der Diskussion zum Vortrag von Herrn Wepfer führt Herr H. SALFELD-Gottingen iiber Artbildung bei Ammoniten folgendes aus:. Zeitschrift der Deutschen Geologischen Gesellschaft 65:437-440
Parent taxon: Rasenia according to M. S. Mesezhnikov 1984
See also Salfeld 1913
Sister taxa: Rasenia (Eurasenia), Rasenia (Rasenioides), Rasenia (Semirasenia), Rasenia borealis, Rasenia cymodoce
Subtaxa: Rasenia (Rasenia) coronata Rasenia (Rasenia) evoluta Rasenia (Rasenia) inconstans Rasenia (Rasenia) khatangensis Rasenia (Rasenia) laevigata Rasenia (Rasenia) magnifica Rasenia (Rasenia) optima Rasenia (Rasenia) suburalensis
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of the Russian Federation (16 collections), Svalbard and Jan Mayen (1)
Total: 17 collections including 35 occurrences