The Science Life Paleontology

Deep caves are a rich source of dinosaur prints for this paleontologist

Several deep caves in France are proving to be a surprising source of ancient tracks

Helping to provide a sense of scale in France’s huge Castelbouc Cave are two members of a team of researchers and photographers who are documenting subterranean dinosaur footprints, some seen here as bulges on the cave ceiling.

Rémi Flament

By John Pickrell

Crawling through tight underground passages in southern France, paleontologist Jean-David Moreau and his colleagues have to descend 500 meters below the surface to reach the only known footprints of long-necked dinosaurs called sauropods ever found in a natural cave.