image: This is a Cloudina reef field photo. This image relates to a paper that appeared in the 27 June, 2014, issue of Science, published by AAAS. The paper, Amelia Penny at the University of Edinburgh in Edinburgh, UK, and colleagues was titled, "Ediacaran metazoan reefs from the Nama Group, Namibia." view more
Credit: [Photo credit: Fred Bowyer]