Scientists have discovered a new predatory dinosaur fossil in Mongolia that was likely a semiaquatic diving predator.
Researchers from the Korea-Mongolia International Dinosaur Expedition located the fossils at the Baruungoyot Formation in 2008, Young-Nam Lee, a professor of vertebrate paleontology who led the dig, told ABC News.
Archaeologists explore a dig site in the Omnogovi Province in Mongolia, where they discovered a new species of dinosaur, the Natovenator polydontus, in 2008.The fossil was not fully exposed in the field, so Sissons, despite not knowing what it was at the time, made a plaster jacket for it, Lee said. It included a skull, spinal column, one forelimb and the remains of two hindlimbs. Its streamlined body, with ribs that point toward its tail, is similar to modern diving birds and its long neck resembles modern water birds such as geese, the researchers said. These adaptions may have reduced the drag that Natovenator would have been subjected to when swimming, helping it to catch prey.
“Instantly we realized it was something important,” Lee said. “It had a skull with many tiny teeth and a very long neck was distinct.”
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