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New species of predatory dinosaurs with shark-like teeth discovered in Thailand



Researchers at Nakhon Ratchasima Rajabhat University (NRRU), Thailand and Fukui Prefectural University (FPU), Japan, believe that the dinosaur they named Siamraptor suwati was a top predator about 115 million years ago. It is estimated to be at least 8 meters long.

Their study, which is part of the Japan-Thailand dinosaur project, was published in the open source PLOS ONE magazine.

Soki Hattori, a paleontologist at FPU, was quoted by Reuters: "Siamaptor is the largest predator in the environment and thus can be a top predator at this time."

Fossils that came from at least four separate dinosaurs , include parts of the skull, spine, limbs, hips and teeth of the species, the study said.

They have provided evidence for the development of a group of dinosaurs called carcharodontosaurus, of which Siamraptor represents a very early evolutionary rift, the researchers explained.

The most famous member of the group is the Carcharotontosaurus, whose name means "shark" "lizard", was selected because of its effectiveness in tearing flesh. It lived in North Africa about 94-98 million years ago and was approximately 1

5 meters long, according to the British National Museum of History.

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Commenting on the emergence of the dinosaur family, Hattori says, "The teeth of the carcharondontosaurus, including Carcharodontosaurus, exhibit

" This characteristic is also observed in Siamraptor teeth, "the paleontologist added, quoting the rostiologist.

Hattori told CNN researchers believe Siamraptor will be covered in flakes.

As the earliest known fossils from this group of dinosaurs came from Africa and Europe, it was a surprise to find an early member in Southeast Asia. [19659006] In comments to CNN, Hattori welcomed the "important" discovery by shedding "new light on the early evolutionary history of this group."


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