Edmontosaurus ungual toe bone, record size Carnataurus The name Dactylioceras comes from

The name Dactylioceras comes from the Greek dactyl

Three specimens have been found

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

It survived from the Ordovician Period to the Permian Period throughout Europe and North America

Edmontosaurus ungual toe bone, record size Carnataurus The name Dactylioceras comes fromThis 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