The Permian–Triassic extinction event occurred about 250M years ago.
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The Permian–Triassic extinction event occurred about 250M years ago.
Source: tatoeba (6109170)
Researchers said the dinosaur - named Ingentia prima, meaning "the first giant" - was up to 10 meters long and weighed about 10 tons, living about 210 million years ago during the Triassic Period.
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Dinosaurs first appeared earlier in the Triassic Period, roughly 230 million years ago.
Source: tatoeba (6990353)
The ancestors of the Theropoda appear first in the Triassic period, already of large size, but less completely bipedal than their successors.
Source: tatoeba (11643778)
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