Rasenia (Rasenia) optima Mesezhnikov 1984 (ammonite)

Cephalopoda - Ammonitida - Perisphinctidae

Full reference: M. S. Mesezhnikov. 1984. Kimeridzhskiy i Volzhskiy Yarusy Severa SSSR 1-224

Belongs to Rasenia (Rasenia) according to M. S. Mesezhnikov 1984

Sister taxa: Rasenia (Rasenia) coronata, Rasenia (Rasenia) evoluta, Rasenia (Rasenia) inconstans, Rasenia (Rasenia) khatangensis, Rasenia (Rasenia) laevigata, Rasenia (Rasenia) magnifica, Rasenia (Rasenia) suburalensis

Type specimen: VNIGRI 482/686. Its type locality is Levaya Boyarka River, outcrop 23, bed 2, Taimyr, which is in a Kimmeridgian marine siliciclastic in the Russian Federation.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 80.0


• Jurassic of the Russian Federation (4 collections)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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