Rasenia

Rasenia
Temporal range: Jurassic (Kimmeridgian), 155.7–150.8 Ma

[1]

Fossil shell of Rasenia cymodoce from Calvados (France), on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Aulacostephanidae
Genus: Rasenia

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 age.[1]

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,[1] France and United Kingdom.

References


This article is issued from Wikipedia - version of the 6/11/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.