Perilytoceras Explained

Perilytoceras is a genus of ammonoid cephalopods belonging to the family Lytoceratidae.[1]

These fast-moving nektonic carnivores lived in the Toarcian age (from 182.7 to 174.1 million years ago). Shells could reach a diameter of 20-.[2]

External links

Notes and References

  1. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=331658 Paleobiology Database
  2. http://www.ammonites.fr/Fiches/0278.htm Ammonites