While scouring the glacial till that comprises England’s eastern coastal cliffs, a pair of Yorkshire fossil hunters made a colossal discovery some 180 million years in the making. Late last summer, Mark Kemp, 34, a self-taught, professional fossil finder and preparator, and a friend who shares the pastime were exploring the rugged cliffline of Holderness, northwest of Hull, between the towns of Mappleton and Cowden. This rugged section of coast, comprised of unsorted sedimentary deposit from long-melted, once-massive glaciers, is known to yield the bones of dinosaurs and other prehistoric reptiles. Kemp’s companion that day stumbled on a glacial erratic—a hunk of exotic rock deposited from elsewhere—with a fossil that looked particularly promising. “My friend shouts me over asking for my opinion on something, as soon as I saw the rock in question, I knew it was something special,” Kemp told The Epoch Times. “I immediately knew there was bone and …