Remains of ‘very rare’ dinosaur species discovered in Brazil

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Remains of a toothless, two-legged dinosaur species that lived some 70 million years ago has been discovered in Brazil, researchers said Thursday, calling it a “very rare” find.

Remains of 'very rare' dinosaur species discovered in Brazil
Paleoart of Berthasaura leopoldinae [Credit: Maurilio Oliveira]

The small dinosaur, which measured about a meter (three feet) long and 80 centimeters (two and a half feet) tall, is a theropod, a group whose members were almost all believed to be carnivores.




But puzzlingly, the new speciesā€”dubbed Berthasaura leopoldinaeā€”has a beak-like mouth with no teeth.

“That was a real surprise,” the paleontologists who made the find said in a statement released by Brazil’s National Museum.

Remains of 'very rare' dinosaur species discovered in Brazil
The fossilized skeleton was found along a rural road in the
southern state of Parana between 2011 and 2014
[Credit: National Museum of Rio de Janeiro]

They published their findings in the journal Scientific Reports, calling the discovery “one of the most complete dinosaurs found from the Cretaceous period in Brazil.”




“The toothless part raises doubts about what kind of diet this animal had,” said researcher Geovane Alves Souza, one of the study’s authors.

“It doesn’t necessarily mean it didn’t eat meat, though. Lots of birds, such as falcons and buzzards, eat meat with beaks. Most likely, it was an omnivore living in an inhospitable environment where it had to eat whatever it could.”

Remains of 'very rare' dinosaur species discovered in Brazil
Berthasaura had a horny beak, without teeth [Credit: Alves de Souza et al., 2021]

The fossilized skeleton was found along a rural road in the southern state of Parana between 2011 and 2014.

Analysis revealed it was an entirely new species that lived between 70 million and 80 million years ago.

The species was named for Bertha Lutz, a revered Brazilian scientist and feminist who died in 1976, and for Maria Leopoldina, Brazil’s 19th-century empress, who was a patron of the sciences.

Source: AFP [November 18, 2021]

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