With eyes like searchlights, a mouth of razor-sharp plates, and grasping appendages ready to snatch anything in reach, this ...

The Cambrian sea was a very strange and alien place. Evolutionary biologist Stephen Jay Gould described the animals that lived there in his book Wonderful Life: The Burgess Shale and the Nature of ...

The environment also became more hospitable, with a warming climate and rising sea levels ... of the Cambrian Explosion is likely exaggerated due to the proliferation of hard-bodied animals ...