Peroniceras

Peroniceras is an ammonite (an extinct group of marine mollusc) belonging to the Ammonitida family Collignoniceratidae.

Species of this genus were widespread throughout the world. They were fast-moving nektonic carnivore shelled ammonoids.

Distribution
Cretaceous of Antarctica, Cameroon, Canada (British Columbia), Denmark, France, India, Mexico, Nigeria, South Africa, United States (California), Venezuela ; Jurassic of Japan