It is top predator in both Arthur Conan Doyle 's 1912 novel , `` The Lost World '' , and its 1925 film adaptation , the first full-length motion picture to feature dinosaurs .
`` Allosaurus '' is top predator in both Arthur Conan Doyle 's 1912 novel , `` The Lost World '' , and its 1925 film adaptation , the first full-length motion picture to feature dinosaurs .