Eulytoceras

Eulytoceras is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores ^[1] lived in the Cretaceous period, from Hauterivian age to Barremian age.^[2]

Eulytoceras Temporal range: Cretaceous, 130.0–99.7 Ma PreꞒ Ꞓ O S D C P T J K Pg N [1]
Fossil shells of Eulytoceras phestum from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Lytoceratidae
Subfamily:	†Lytoceratinae
Genus:	†Eulytoceras Spath, 1927

Species

^[1]

• Eulytoceras anisoptychum Uhlig, 1883
• Eulytoceras inaequalicostatus d'Orbigny, 1840
• Eulytoceras phestum Matheron, 1878

Description

Shells of Eulytoceras species reach a diameter of about 72–140 millimetres (2.8–5.5 in).^[3][4]

Distribution

Fossils of species within this genus have been found in the Cretaceous rocks of Antarctica, Austria, Canada, Italy, Madagascar, South Africa and Spain.^[1]