New dinosaur found in Mexico was ‘very communicative’

A new species of dinosaur identified by Mexican paleontologists is believed to have been “very communicative” and used low-frequency sounds like elephants to talk to each other, a researcher said Friday. The specimen, which has been named Tlatolophus galorum, is thought to have died around 72 million years ago in what is now Mexico’s northern state of Coahuila.

After initially discovering the tail, paleontologists said they later found most of its skull, a 1.32-meter (4.3-foot) bony hollow crest through which it communicated, as well as bones such as its femur and shoulder.

We believe that these dinosaurs were very communicative. They even produced and perceived low-frequency sounds like those made by elephants, which travel several kilometers and are imperceptible to humans.

Dinosaurs could also have had the ability to emit loud sounds to scare off predators, the National Institute of Anthropology and History (INAH) said on Thursday when it announced the discovery.Mexican researchers think Tlatolophus galorum’s crest may have been red. We believe that these dinosaurs, like modern birds, saw in color and so these structures like the crest were possibly brightly colored. They could have been completely red, or multi-colored, with spots.

The discovery is still under investigation, but research about the ancient reptile has already been published in the scientific journal Cretaceous Research, according to the INAH. The name Tlatolophus is derived from tlahtolli—which means word in the indigenous Nahuatl language—and lophus, meaning crest in Greek, the researchers said.

Ángel A. Ramírez-Velasco et al. Tlatolophus galorum, gen. et sp. nov., a parasaurolophini dinosaur from the upper Campanian of the Cerro del Pueblo Formation, Coahuila, northern Mexico,Cretaceous Research (2021). DOI: 10.1016/j.cretres.2021.104884

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