Ataxioceratidae

Ataxioceratidae
Temporal range: from Jurassic to Cretaceous,
Fossil of Lithacoceras achilles from France, 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: Ataxioceratidae
Buckman 1921

Ataxioceratidae is an extinct Ammonite cephalopod family included in the superfamily Perisphinctoidea. These fast-moving nektonic carnivores lived during the Jurassic and Cretaceous periods.