Paleontologists uncover a new Spinosaurus species by following a clue from a decades‑old book into the Sahara Desert

My fixation on a small, desolate locale in the heart of the Sahara Desert started with a single line buried in a 630-page tome in French about the rocks of the central Sahara: "Dent de Carcharodontosaurus saharicus Depéret," which translates to "tooth of Carcharodontosaurus saharicus Depéret"—"Depéret" refers to the scientist who originally named the species.