Pleuroceras (ammonite)

Pleuroceras is a genus of ammonite from the lower Jurassic, upper Pliensbachian.
Description.
Pleuroceras has a planulate shell with a quadrate whorl section, bearing strong radial ribs ending in ventro-lateral tubercles. The venter is tabulate with a strong serrated keel.
Distribution.
Species of this genus were fast-moving nektonic carnivore. Its fossils have been found in Canada and Europe (France, Germany, Hungary, Italy, Serbia, Montenegro, Spain and United Kingdom).