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 [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]

References
  1. The Paleobiology Database
  2. Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
  3. Eulytoceras
  4. jsdammonites


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