OosterellidaeOosterellidae is an extinct ammonoid cephalopod family belonging to the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived during the Cretaceous.GeneraOosterella''Pseudoosterella''DistributionFossils of species within this genus have been found in the Cretaceous sediments of Argentina, Austria, Colombia, Czech Republic, France, Hungary, Italy, Mexico, Morocco, Romania and Slovakia.