Dinosaur track in Massachusetts; photo by clare_and_ben on Flickr (noncommercial use permitted with attribution / no derivative works). All State Fossils & Dinosaurs
Official State Fossil of Massachusetts
Dinosaur tracks were recognized as the official state fossil of Massachusetts in 1980. All State Fossils
Found in Granby, Massachusetts, these dinosaur tracks are the first record of a theropod so large (a theropod dinosaur fifty feet in length made the tracks over 200 million years ago).
Source