Day: December 29, 2011

Powys fossils ‘shed new light’ on ocean community evolution

By Carl Yapp BBC Wales News website.  (19 December 2011.) Scientists believe they have made a remarkable discovery of fossils said to be more than 450 million years old in a disused Powys quarry. They think they are of a kind never before discovered. The well-preserved organisms from the Ordovician period, which began about 495m