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Limusaurus Inextricabilis - The Dinosaur That Lost Its Teeth

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Westbury, NY, resident Valerie Varnuska spends much of her free time learning about science through books and television. Valerie Varnuska is especially interested in paleontology and discoveries in related fields.

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Limusaurus Inextricabilis - The Dinosaur That Lost Its Teeth

  1. 1. Limusaurus Inextricabilis - The Dinosaur That Lost Its Teeth Valerie Varnuska
  2. 2. Introduction  Westbury, NY, resident Valerie Varnuska spends much of her free time learning about science through books and television. Valerie Varnuska is especially interested in paleontology and discoveries in related fields. Scientists recently uncovered something interesting about Limusaurus inextricabilis, a dinosaur in the theropod group that is closely related to modern birds. A research team found 19 Limusaurus skeletons preserved in China's Xinjiang province. The dinosaurs were of widely varying ages when they became stuck in the mud there, presenting a rare opportunity for scientists to compare juveniles and adults of the same species.
  3. 3. Limusaurus Inextricabilis  It appears that Limusaurus inextricabilis had teeth as a juvenile, but lost them during adolescence. They did not grow another set as adults, and remained toothless dinosaurs. This suggests that the young may have been either carnivorous or omnivorous, while the adults were strictly herbivores. Moreover, this discovery may help explain how modern birds became toothless.

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