Over 1,000 perfectly-preserved echinoderm specimens dating back 167 million years (Jurassic period) have been excavated in a quarry in the Cotswolds area of England. Some of the exquisitely preserved 167-million-year-old echinoderms from the Cotswolds area, England. Image credit: Trustees of the Natural History Museum, London. Echinoderms are a group of animals including starfish, brittle stars, feather stars, sea lilies, sea cucumbers and echinoids...
