title: Eulytoceras
text: # Eulytoceras
  
  Eulytoceras is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores lived in the Cretaceous period, from Hauterivian age to Barremian age.
  
  ## Species
  
  * 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).
  
  ## Distribution
  
  Fossils of species within this genus have been found in the Cretaceous rocks of Antarctica, Austria, Canada, Italy, Madagascar, South Africa and Spain.
  
  