Camarasaurus, Juvenile Skull Alamosaurus The oldest recognizable fossils of

The oldest recognizable fossils of the group belong to the Protodonata

an anatomist at the University of Witwatersrand

which includes a single living order

This seaway ran through the middle of North America from Texas through Canada

Camarasaurus, Juvenile Skull Alamosaurus The oldest recognizable fossils ofCamarasaurus (pronounced KAM ah rah SAWR us) and (meaning "chamber vertebra") was a large, long necked plant eating dinosaur that lived during the late Jurassic period, about 156 145 million years ago. This sauropod was about 60 ft long and weighed roughly 30 tons. This is a cast of the skull of a juvenile perhaps half grown. The original skull was found in Utah. Shipping Included