The scientists mentioned the circumstances in which the dino was located clarify its preservation.
“About 72 or 73 million years ago, a huge herbivore dinosaur died in what must have been a body of water full of sediment, so that its body was quickly covered by the earth and could be preserved through the ages,” the institute mentioned in a statement.
The animal is named Tlatolophus galorum. Its tail was found initially, in the General Cepeda location of the northern state of Coahuila in 2013.
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As excavations continued, scientists sooner or later found 80 per cent of its skull, its 1.32-meter crest and bones such as its femur and shoulder, which permitted researchers to lastly comprehend this year that they had a new species of dinosaur on their hands, the INAH mentioned.
“We know that they had ears with the capacity of hearing low-frequency sounds, so they must have been peaceful but talkative dinosaurs,” the statement mentioned.
Paleontologists also think that the dinosaurs “emitted strong sounds to scare away predators or for reproductive purposes.”
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The discovery is nevertheless below investigation, but study about the ancient reptile has currently been published in the scientific journal Cretaceous Research, according to INAH.
“It is an exceptional case in Mexican paleontology,” the INAH mentioned. “Highly favorable events had to occur millions of years ago, when Coahuila was a tropical region, for it to be conserved in the conditions it was found in.”
The name Tlatolophus is derived from the indigenous Nahuatl language word tlahtolli — which signifies word or statement — and the Greek word lophus, which means crest.
The animals crest’s shape appears like what the INAH mentioned is “a symbol used by Mesoamerican people in ancient manuscripts to represent the action of communication and knowledge itself.”