3 min read During the Ordovician period ... complete fossils that have been found suggest they were finned, eel-like creatures with large eyes for locating prey. The conodonts are now thought ...

In an unlikely discovery, rocks from Maryland in the United States have helped us uncover the tiny creatures that triggered life on Earth. That's right, prehistoric marine worms could have made a ...

But first there was a period of biological regrouping following the disastrous climax to the Ordovician ... by oceans teeming with tiny planktonic creatures. Waiting at the other end of the ...