SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Fossilised dung (coprolite) from an unidentified turtle. This 90 millimetre-long coprolite is from the Miocene epoch, which lasted from around 23-5 million years ago. It is rare for a coprolite to be definitely assigned to a particular creature. Study of the contents of coprolites can, however, provide important information about the dietary habits of the residents of an area at a particular time. This coprolite was found in Washington State, USA.
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