Plateosaurus was a herbivore (plant-eater) that lived in
during the late Triassic period,
between about 222 and 218 million years ago.
Plateosaurus was about 20 to 33 feet (6 to 10 meters) long, and weighed something in the region of 0.7
tons. It appears to have been quite a common animal, and
fossils of Plateosaurus
have been found in a number of locations including in
Plateosaurus were even found in a rock core removed by oil-drillers from
deep under the North Sea!
Plateosaurus was one of the earliest dinosaurs to be scientifically described.
The first description of the animal was published in 1837 by
Hermann von Meyer, based on
three years earlier by
Johann Friedrich Engelhardt at Heroldsberg (which is near
Plateosaurus was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Plateosaurus was not closely related to lizards, it did have similarly shaped pelvic bones.
Plateosaurus was a Prosauropod - a member of a group of related early herbivorous (plant-eating) dinosaurs which had long necks, small heads, shorter forelimbs than hind limbs, and a thumb claw.
Plateosaurus lived between about 222 million years ago and 218 million years ago, during the Triassic period.
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