Science news articles about 'cambrian period'

... researchers are trying to reconstruct what happened at the end of the Cambrian period 550 million years ago, when a creature similar to the lancelet evolved and diverged into three types ...

... outcrop that looked like it crossed the Precambrian-Cambrian boundary, so we stopped to take a look ... trail from Canada that dated back to the middle of the Cambrian period, about 520 million years ago ...

... biological history, the beginning of the so-called Cambrian Explosion (550-530 million years ... appeared so rapidly in the Cambrian period, the so-called Cambrian Explosion. Scientists have more recently ...

... likely propelled the creature like a swimming penguin, according to Briggs. Unlike its ancestors from the Cambrian period, which reached three feet in length, Schinderhannes is only about 4 inches ...

A team of scientists from Canada, Britain and Sweden has pieced together fossils of what they believe was a giant predator that roamed the seas 500 million years ago - a century after the fossils ...