It’s 72 million years old and really impressive, dug into the desert just across el otro lado from Texas. From the AP:
Mexican paleontologists say they have uncovered 50 vertebrae believed to be a full dinosaur tail in the northern desert of Coahuila state. The National Institute of Anthropology and History [INAH] says the tail is about 15 feet (5 meters) long and resembles that of a hadrosaur or crested duckbill dinosaur…. Paleontologist Felisa Aguilar says they uncovered roughly half of the dinosaur, which was 36 feet (12 meters) long and lived about 72 million years ago.