rex

Prehistoric Superpredator: Weird Whatcheeria Was the “T.  rex of its time”

Prehistoric Superpredator: Weird Whatcheeria Was the “T. rex of its time”

Whatcheeria was a prehistoric superpredator. It was a six-foot-long lake-dwelling creature with a salamander-like body and a long, narrow head. Credit: Adrienne Stroup, Field Museum Ancient Iowan superpredator got big by front-loading its growth in its youth. Fossils found only at the Field Museum reveal the growth history of Whatcheeria. Although the Field Museum in …

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Whatcheeria deltae attacks in this artist

Ancient superpredator that lived 328 million years ago was ‘the T. rex of its time’

A fangy, 6-foot-long (1.8 meters) carnivore that haunted the lakes of what is now the American Midwest would have been a top predator in its freshwater ecosystem — a “T. rex of its time,” according to scientists who studied the creature. And it grew up fast, new research finds. The predator, an early four-legged vertebrate …

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A reconstruction of what the new tyrannosaur, Daspletosaurus wilsoni, may have looked like.

‘Frightful’ never-before-seen tyrannosaur might be the ‘missing link’ in T. rex evolution

A reconstruction of what the new tyrannosaur, Daspletosaurus wilsoni, may have looked like. Fossils suggest that it had a unique arrangement of spiked hornlets surrounding its eyes. (Image credit: Andrey Atuchin & Badlands Dinosaur Museum) (opens in new tab) Paleontologists have uncovered the remains of a never-before-seen tyrannosaur that was possibly a direct ancestor of …

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These Fossil Mummies Reveal a Brutal World Long Before T. Rex Lived

These Fossil Mummies Reveal a Brutal World Long Before T. Rex Lived

Juvenile Lystrosaurus murrayi skeleton with enveloping layer interpreted as mummified skin. Photo: Courtesy Roger Smith It was a time of catastrophic change. Most of life on Earth had been wiped out, global temperatures had increased dramatically, and the weather raged in extremes. That anything survived in this hostile environment is remarkable, and yet, some plants …

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Newly discovered dinosaur looks like a cross between a Stegosaurus and a T. rex

Newly discovered dinosaur looks like a cross between a Stegosaurus and a T. rex

The Land Before Time introduced a generation of kids to a few commonly known dinosaurs — and one pterosaur — when it hit theaters in 1988. Littlefoot, Cera, Ducky, Petrie, and Spike represented many of the main groups, accounting for the sauropods, ceratopsians, hadrosaurs, pterosaurs , and stegosaurs, respectively. Then, of course, there was Sharptooth, …

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