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Long before T. rex, the Earth was dominated by super-carnivores stranger and more terrifying than anything dreamed up by ...
IN 1849, having traversed the igneous and metamorphic rocks of the Sikkim Himalaya, Joseph Hooker, discovered a limestone containing fragmentary organic remains. The fossils were thought to be ...
Fossils of an unusual saber-toothed predator that lived during the worst mass extinction event on Earth are revealing how unstable things were for animals during “the Great Dying.” A series of ...
Tropical riparian ecosystems—those found along rivers and wetlands—recovered much faster than expected following the end-Permian mass extinction around 252 million years ago, according to new ...
Stanford study shows ocean biomass has risen over 540 million years, linking biodiversity to long-term ecosystem health.
4月on MSN
The end-Permian mass extinction occurred around 252 million years ago, and wiped out over 80% of marine species and 70% of ...
Fossils reveal rapid land recovery after end-Permian extinction Fossil evidence from North China suggests that some ecosystems may have recovered within just two million years of the end-Permian ...
A new fossil discovery suggests that reptiles lived together 20 million years earlier than previously thought.
As it turns out, they weren’t hard to find. “The rocks we found were outcropping,” says Goulart, now 55. After periods of drought, rain had washed away sediments and exposed the fossils.
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