title: Asteroceras stellare
text: # Asteroceras stellare
  
  Asteroceras stellare, the true star ammonite, is an extinct species of cephalopod belonging to the Ammonite subclass and to the family Arietitidae.
  
  These fast-moving nektonic carnivores lived during the lower Jurassic period, around 196.5 to 189.6 million years ago.
  
  ## Description
  
  Asteroceras stellare has a shell reaching a diameter of about 90 centimetres (35 in).
  
  ## Distribution
  
  Fossils of this species may be found in the Jurassic of Germany, Hungary and United Kingdom.
  
  