Paleontologists discover rare fossils of toothless dinosaurs

Brazilian paleontologists have found a 70-80 million-year-old skeleton of a previously unknown carnivorous dinosaur.

Brazilian paleontologists have found a 70-80 million-year-old skeleton of a previously unknown carnivorous dinosaur.

The creature, named Berthasaura leopoldinae, was a small theropod, measuring only about 1 meter long and 80 centimeters tall. Although it is a carnivore, it has no teeth at all, but instead possesses a small and pointed mouth resembling a bird's beak.

"The lack of teeth raises doubts about Berthasaura leopoldinae's diet. However, that does not mean it cannot eat meat. Many birds, such as falcons and buzzards, are carnivorous with It's also possible that the new dinosaurs were omnivores, eating just about anything in a harsh environment," said study lead author Geovane Alves Souza from the Brazilian National Museum in Rio de Janeiro. explain.

The creature's skeleton was found along a rural road in the southern Brazilian state of Parana. In a report in the journal Nature on November 18, the excavating team highlighted the find as "very rare" and one of the most complete Cretaceous dinosaur fossils in Brazil.

Picture 1 of Paleontologists discover rare fossils of toothless dinosaurs

Model of the dinosaur Berthasaura leopoldinae.

"The fossils also preserve the skull, jaw, spine, sternum, pelvis, forelimbs and hind limbs," added museum director Alexandre Kellner.

The naming of Berthasaura Leopoldinae for the new dinosaur is in honor of Bertha Lutz, a famous Brazilian scientist and politician who died in 1976. She was a front-runner in the feminist and human rights movement. made an important contribution to women's suffrage in Brazil. Bertha Lutz used to work at the National Museum as a naturalist specializing in poison dart frogs.

Update 20 November 2021
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