3 min read During the Ordovician period ... Equipped with grasping tentacles, the nautiloids were effective predators. Another group of marine hunters were the mysterious conodonts, known mainly ...

But first there was a period of biological regrouping following the disastrous climax to the Ordovician ... way to becoming one of the planet's top predators. Creepy-crawlies also began to ...

The Ordovician world was a watery one in which vast oceans covered almost the entire northern hemisphere. In the south, the mega-continent of Gondwana drifted. According to the University of ...

Emma Bernard, a curator of fossil fish at the Museum, says, 'Shark-like scales from the Late Ordovician have been found ... and so technically not a shark. As active predators they had torpedo-shaped ...