Edmontosaurus ungual toe bone, record size Carnataurus a boomerang shaped head and

a boomerang shaped head and a long slender body

Scientific Name: Archaeotherium (megachoerus) zygomaticus Location: South Dakota

The fangs of Machairodus

The name Dactylioceras comes from the Greek dactyl

Edmontosaurus ungual toe bone, record size Carnataurus a boomerang shaped head andThis is the ungual phalanx (toe) of an Edmontosaurus found in the Hell Creek Formation of Harding County, South Dakota. Cretaceous Age. The ungula is the last digit of the hand or foot and is the bone under the nail. This specimen is the largest we have been able to measure and thus may be a record size. Edmontosaurus was a large bipedal plant eater very common in North America during the late Cretaceous. It is one of the best known duckbilled