The trackway of a plant-eating sauropod dinosaur has been excavated in the Jura Mountains, France. This 508-foot (155 m) line of footsteps is the longest known trackway of a sauropod. The 110-step trackway represents a new ichnospecies, Brontopodus plagnensis, and extends over 508 feet — a world record for sauropods, which were the largest of the dinosaurs. Image credit: P. Dumas. The dinosaur tracksite is located less a mile (1 km) west of...
