Giant Dinosaurs Lived On Earth Much Earlier Than Previously Thought

Posted: Jul 10 2018, 2:09pm CDT | by , in News | Latest Science News

 
Giant Dinosaurs Lived on Earth Much Earlier Than Previously Thought
Reconstruction of the sauropodomorph dinosaur Ingentia prima showing an improved avian-like respiratory system with developed cervical air sacs (green structure). Lungs in brown color. Image Credit: Jorge A. González
  • Giant dinosaur bones get paleontologists rethinking Triassic period

200 Million-Year-Old Fossils Discovery by Paleontologists in Argentina Suggests That The Largest Dinosaurs began Appearing Earlier than they were Thought to

Some of the biggest of dinosaurs began entering the scene in our planet’s prehistory earlier than they were thought to have done so by paleontologists.

A team of researchers dug up some ancient bones on Argentine soil that belongs to 200 million-year-old species of dinosaur. Called the Ingenia prima, this dinosaur was thrice the dimensions of the bulkiest of Triassic dinosaurs.

Found in the San Juan province close to Buenos Aires (the capital of Argentina), a study was done on the digging and the find was published in the scientific journal Nature Ecology & Evolution on Monday.

According to one of the researchers, “As soon as we found it, we realized it was something different.” It, in fact, came as quite a shock to the paleontologists who did the excavation work.

The largest of dinosaurs was thus found to have appeared earlier than expected by the science of paleontology. As for the bones, they belonged to the neck, tail, front and back legs.

Thus we had some giant specimens so long ago in the earth’s past. These were plant eaters and walked on all four legs. The lengthy neck and tail belonged to the sauropod family of dinosaurs.

It used to be thought that such giant dinosaurs thrived in the Jurassic Period. Yet now we know better. Instead of 180 million years ago in the Jurassic Period, the largest of dinosaurs lived in the Late Triassic Period. That is 205 million years ago.

This is, in fact, the time span when the first dinosaurs started showing up on the scene. That they were so large is a big surprise of sorts. It was probably a defense mechanism to ward off external enemies.

This species of dinosaur that was unearthed from Argentina reached 10 meters in height and weighed 10 tons. It just goes to show us that the largest dinosaurs appeared earlier than thought by the researchers.

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