* Astronomy

Powys fossils 'shed new light' on ocean community evolution

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 years ago, lived in what is now the town of Llandrindod Wells, which was partially under water.
Scientists believe they shed new light on how ocean communities have evolved.
The fossils include a variety of creatures from sponges and worms to nautiloids, which are similar to a squid with a shell.
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