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.

Something unusual has slipped back into the dark, fast-moving waters of Sweden’s Göta River: a prehistoric “living fossil.”After more than a century of absence, a massive and ancient fish has begun ...

In a dry riverbed in Brazil, in a dense forest near the Amazon, a team of paleontologists found a fossilized jawbone from an ...

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

Some animals have been around since the time of the dinosaurs—and they’re still thriving today! Known as “living fossils,” these creatures have barely changed over millions of years and continue to ...

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 ...

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.

A species of coelacanth, a fish that dates back to before the dinosaurs, has been photographed in Indonesia for the first time. Chappuis overcame the challenge of deep mixed-gas diving, which has led ...

Deep in the heart of Borneo’s tropical rainforests, a rare and mysterious living fossil lurks in the shadows: the earless ...