Bone deformities on the fossilized remains of giant dolphin-like reptiles are similar to those human divers develop as a result of changes in body pressure.
The new analysis by John Hayman, an associate professor of pathology at the University of Melbourne, explains what may have caused the bone lesions.
“The lesions wouldn’t have been enough to kill the animal, and wouldn’t have affected its ability to hunt or breed,” he says.
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