0.6" Saurornitholestes Raptor Serrated Tooth Fossil Judith River FM MT COA, Display Xiphactinus is characteristic of surface-feeding fish

is characteristic of surface-feeding fish

along with tails and limbs specially adapted for swimming

It could have been that competition for the ecological niche of apex predator was so fierce that the only way Prognathodon could evolve and survive was by adapting to a different food source

The morphology of Diplomystus Dentatus

and are key for defining biozones

0.6" Saurornitholestes Raptor Serrated Tooth Fossil Judith River FM MT COA, Display Xiphactinus is characteristic of surface-feeding fishLocation: Judith River Formation, Hill County, Montana (Private Land Origin) Weight: 0. 3 Ounces Dimensions Tooth: 0. 6 Inches Long, 0. 3 Inches Wide, 0. 2 Inches Thick Comes with a Display Box. Comes with a Certificate of Authenticity. Saurornitholestes, meaning "lizard bird thief," is a genus of carnivorous dromaeosaurid theropod dinosaur from the late Cretaceous period, found in Alberta, Montana, and New Mexico. It includes two species: