Picture this: you’re a scientist digging near the Amazon rainforest, and you pull a jawbone out of the ground that looks so ...

After years of analysis, the animal turned out to be an entirely new species — one that lived millions of years longer than ...

“Living fossil” is often misused, but chitons really haven’t changed much in about 300 million years.

In a dry riverbed in Brazil, in a dense forest near the Amazon, a team of paleontologists found a fossilized jawbone from an ancient animal. Over the course of their fieldwork, they found eight ...

Biologists identify a new species of "living fossil" chiton through cutting-edge mitochondrial genome sequencing.

Something unusual has slipped back into the dark, fast-moving waters of Sweden’s Göta River: a prehistoric “living ...

Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period.

With its uniquely twisted jaw and sideways-facing teeth, the new species was a relic of an earlier and more experimental time in the evolution of life on Earth. Fossils discovered in Brazil show that ...

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