Full Dinosaur Tail Found In Mexico, Paleontologists Say

b1e17ec9-CORRECTION Mexico Dinosaur Tail

In this undated image released by Mexico's National Anthropology and History Institute (INAH) on Monday July 22, 2013, investigators work on uncovering the tail of a dinosaur at a paleontological dig site near the town of General Cepeda in northern Mexico. (AP Photo/INAH-Mauricio Marat)

3e1d5d78-CORRECTION Mexico Dinosaur Tail

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In this undated image released by Mexico's National Anthropology and History Institute (INAH) on Monday, July 22, 2013, the tail of a dinosaur is uncovered at a paleontological dig site near the town of General Cepeda in northern Mexico. (AP Photo/INAH-Mauricio Marat)

84ee480d-CORRECTION Mexico Dinosaur Tail

In this undated image released by Mexico's National Anthropology and History Institute (INAH) on Monday July 22, 2013, the tail of a dinosaur is uncovered at a paleontological dig site near the town of General Cepeda, northern Mexico. (AP Photo/INAH-Mauricio Marat)

MEXICO CITY – Just in case you had any doubt of the existence of dinosaurs in Mexico, researchers found new evidence they roamed North America.

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 said the tail is about 15 feet (5 meters) long and resembles that of a hadrosaur or crested duckbill dinosaur.

An institute Monday says it's not yet possible to confirm the species, but it would be the first full tail of that kind in Mexico.

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.

The excavation took 20 days in the municipality of General Cepeda in the northern state that borders Texas.

The paleontologists, working with Mexico's National Autonomous University, also found hip bones.

Based on reporting by the Associated Press.