The skull of a pliosaur, a prehistoric sea monster, was discovered on a beach in Dorset, England, and it could reveal secrets about these awe-inspiring creatures.

A seven-foot skull belonging to an ancient sea monster was discovered in Dorset. The pliosaur was an apex predator that roamed the ocean 150 million years ago.

A version of this article appears in print on Jan. 2, 2024, Section D, Page 5 of the New York edition with the headline: Skull of Ancient ‘Sea Monster’ Found in England.

A massive skull belonging to a deadly sea monster from 150 million years ago has been excavated in the U.K. – in what one scientist described as the "discovery of a lifetime." ...