A 125-million-year-old fossil found 23 years ago in Portugal is shedding new light on spinosaurs—a fearsome and enigmatic group of carnivorous dinosaurs that rivaled even tyrannosaurs in terms of size.
A 125-million-year-old fossil found 23 years ago in Portugal is shedding new light on spinosaurs—a fearsome and enigmatic group of carnivorous dinosaurs that rivaled even tyrannosaurs in terms of size.