Kosmoclymenia

Kosmoclymenia is a genus in the ammonoid order Clymeniida, in the family Kosmoclymeniidae.

Description
Shells of these extinct cephalopods can reach a maximum diameter of 110 mm. They were fast-moving nektonic carnivores.

Distribution
Fossils of species within this genus have been found in the Devonian of China, Germany and Morocco.