Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jan 25, 2010
Dr. Frey introduces fossil nautiloid cephlapods .Nautiloids where the largest predators on earth during the Ordovician . Species characteristics and comparisons .A 80 minute talk in depth on these fabulous sea monsters of the past .Cephalopods are found very easily as fragmented fossils by thousands of amature fossil hunters world wide.