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New species of duck-billed dinosaur discovered in Mexico. Paleontologists have identified a new species of lambsaurine hadrosaur from fossils found in northern Mexico. The vital reconstruction of Platolophus Gallorum. New dinosaurs roamed our planet during the Upper Cretaceous Campanian era, 72-73 million years ago.

It is related to Parasaurolophini, a tribe of hadrosaurs with elaborate bony heads in the Lambesaurinae subfamily. Scientifically called Tlatolophus gallorum, it grew to 8 to 12 meters (26 to 39 feet) tall.

Its bony, hollow crest was about 1.3 m (4.3 ft) long and was probably red in color. We know that Tlatolophus gallorum had ears with the ability to receive low-frequency sounds, so they must have been peaceful but talkative dinosaurs, said Dr. Ángel Ramírez-Velasco said.

Paleontologist of the Institute of Geology of the National Autonomous University of Mexico. “Some paleontologists theorize that they made loud sounds to scare off carnivores or for breeding purposes, suggesting that their crest was probably brightly colored.”

Paleontologists with the fossilized tail of Tytolophus gallorum. Fossil remains of Tlatolophus gallorum were recovered in the 2000s from the Cerro del Pueblo Formation near Presa de San Antonio, Coahuila, Mexico.

Currently, it is the most complete lambeosaurin hadrosaur ever found in this country. This fossil, which is still under investigation, is an exceptional case in Mexican paleontology. Because very favorable events had to happen millions of years ago.

When Coahuila was a tropical region, it had to be preserved in the conditions in which we found it, said Dr., a paleontologist at the INAH Coahuila Center. Felisa Aguilar said. The team’s article was published online in the Journal Cretaceous Research.

New Duck-Build dinosaur discovered in Mexico. A new species of duck-billed dinosaur discovered in Mexico is helping scientists fill in the gaps in the fossil record from the Age of Dinosaurs. What an artist’s rendering of the new Mexican duck-billed dinosaur Velafrons cohulensis would have looked like. Todd Marshall.

A new species of duck-billed dinosaur discovered in Mexico is helping scientists fill in the gaps in the fossil record from the Age of Dinosaurs. The creature, called Velafrons cohuilensis, was a giant herbivore that belonged to a larger group of duck-billed dinosaurs called hadrosaurs.

The dino’s species name comes from the region of Mexico where it was found, Coahuila. Little is known about the ancient plant and animal life of the region because the low rate of erosion has kept the fossils hidden under layers of rock. But V. kohulensis and other fossil finds are helping shed light on this murky part of North American history.

“The dinosaurs of this particular period are important because it is a relatively poorly understood period,” said Don Brinkman, a project researcher at Canada’s Royal Tyrrell Museum of Paleontology, who studied non-dinosaur vertebrates found at the site, including the turtles. they’re studying. Fish and lizards.

“The terrain in Mexico goes a long way to fill a gap in our knowledge of the record of changes in dinosaur assemblages in the Upper Cretaceous era.” The new species of dinosaur is fully described in the December issue of the Journal of Vertebrate Paleontology.

One of the first dinosaurs to be named from Mexico, was discovered in the early 1990s in a rock unit known as the Cerro del Pueblo Formation, dating back to the Cretaceous, about 71.5 to 72 years ago. 5 million years. the end.

During this period, a warm, shallow sea covered central and lower North America, dividing the continent in two. The region of Mexico where V. cohulensis was found was at the southern tip of the western landmass similar to a peninsula called Laramidia. Now a desert, the area was then a wet estuary, where the salty water from the sea met the fresh water from the rivers.

A reconstructed skull of a 72-million-year-old duck-billed Velafrons coahuilensis dinosaur discovered in Coahuila, Mexico. Large bones from disfigured dinosaur skeletons suggest that some animals died en masse during periodic powerful storms, such as those that ravaged the southern tip of Africa and South America today.

“The area was periodically hit by monster storms, which devastated miles of fertile shoreline, clearly killing entire herds of dinosaurs,” said project team member Scott Sampson of the Utah Museum of Natural History.

The discovery of V. coahuilensis marks the first crested duck-billed dinosaur found in North America. Based on the development of its bones, paleontologists believe that the specimen was not yet fully developed. However, the young would have expanded to 25 feet long, suggesting that the adults grew 30 to 35 feet long.

Unlike other animals that have their nasal bones in front of their eyes, the crested duckbill’s nose rests on its skull. “The crested duck-billed dinosaurs are an extraordinary example of vertebrate evolution,” said project member Terry Gates of the Utah Museum.

Scientists aren’t sure what the fan-shaped ridge on the V. cohulensis head was used for, but some believe it may have been to attract mates, including the animal’s complex chain of nasal passages. It worked like a musical instrument.

With V. cohuilensis, recent expeditions to the Cerro del Pueblo Formation have discovered the remains of a second type of duck-billed dinosaur: a herbivorous horned dinosaur similar to a triceratops, a larger tyrannosaurus, a smaller predator similar to a velociraptor and most large dinosaur sets. Dinosaur tracks known in Mexico.

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