Biology:Rasenia

Short description: Genus of molluscs (fossil)

Rasenia Temporal range: Jurassic (Kimmeridgian), 155.7–150.8 Ma PreЄ Є O S D C P T J K Pg N ↓
Fossil shell of Rasenia cymodoce from Calvados (France), on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Aulacostephanidae
Genus:	†Rasenia Salfeld, 1913

Rasenia is an extinct ammonoid cephalopod genus belonging to the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived during the Upper Jurassic period, in the Kimmeridgian and Tithonian ages.

Etymology

This genus gets its name from Market Rasen in Lincolnshire (Midland England), place where it is frequently found.

Distribution

Fossils of species within this genus have been found in the Jurassic sediments of Russia, France and United Kingdom.

External links

• Twmuseum

Wikidata ☰ Q18393527 entry