Sauropod (long-necked dinosaur)
~ 110 feet
~ 100 tons
Late Jurassic Period
The gigantic dinosaur skeleton that was originally named Seismosaurus was discovered in New Mexico in 1979. This skeleton is now considered by many paleontologists to represent one of the largest examples of the well-known sauropod Diplodocus, which has been found in Colorado, Wyoming, Utah, and Montana.
Displayed along the Montana Dinosaur Trail:
Two Medicine Dinosaur Center