PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
Fossil molluscs (Caprina adversa). These fossils are rudists, a group of prehistoric bivalved molluscs that had unusually-shaped shells. This specimen, found in France, date back to around 100 million years ago (in the Early Cretaceous epoch) and measure about 60 centimetres.
Model release not available. Property release not required.