Dufrenoyia is an extinct genus of Cretaceous ammonites included in the family Parahoplitidae.
These fast-moving nektonic carnivores lived in the Cretaceous period (Aptian age).
[2] The type species of the genus is Ammonites dufrenoyi.
[1] [1] Fossils of species within this genus have been found in the Cretaceous sediments of Germany, Mexico, Morocco, Spain, the United Kingdom, United States, Colombia and Venezuela.
This Ammonitida-related article is a stub.