In 2015, two researchers stumbled across a piece of amber jewelry in a market in Tengchong, China, that was found by miners in Myanmar. The piece has a young, five-millimeter-long crab embedded in it.

DENVER — It's a crustacean conundrum: Why did some Cretaceous crabs sport both male and female characteristics? The answer is unknown, but new fossil discoveries reveal that intersex crabs were ...

Once upon a time, during the Cretaceous period, a tiny crab wandered out of the water onto land and somehow got trapped in amber, which preserved it for 100 million years. At least that's what a ...

Crab in amber reveals an early colonization of nonmarine environments during the Cretaceous. Science Advances , 2021 DOI: 10.1126/sciadv.abj5689 Cite This Page : ...

So this new fossil and its mid-Cretaceous age allows us to bridge the gap between the predicted molecular divergence and the actual fossil record of crabs.” ...

Here’s how it works. For the first time ever, scientists have discovered an "immortal" crab fossilized in amber. Dating back to the Cretaceous period, this perfectly-preserved crustacean might ...

Over the next hundred or so million years, brachyurans diversified widely during a period previously dubbed the “Cretaceous crab revolution.” The study also showed that during their evolution ...

Some researchers suspect the trigger for this "Cretaceous crab revolution" was a concurrent explosion in reef-building coral species. Assigning current-day "crabs" to true and false groups ...

The Cretaceous period was the last and longest ... along with sharks, lobsters and crabs, sand dollar-like creatures known as echinoids, and a type of bony fish known as ray-finned fish (named ...

they just "evolved into something that looked like crabs. Independently. Over and over again." During the cretaceous period creatures that looked more lobster-like in shape became more squashed ...

DENVER — It's a crustacean conundrum: Why did some Cretaceous crabs sport both male and female characteristics? The answer is unknown, but new fossil discoveries reveal that intersex crabs were ...