Oosterellidae

Oosterellidae
Temporal range: Cretaceous,
Fossil of Oosterella cultratus from Maritime Alps, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Oosterellidae
Kilian, 1911

Oosterellidae is an extinct ammonoid cephalopod family belonging to the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived during the Cretaceous.