A tiny fossil of an early juvenile Spinosaurus has been discovered by a duo of Italian paleontologists. The largest and the smallest specimens of Spinosaurus known to date. Image credit: D. Bonadonna. Spinosaurus (meaning ‘spine lizard’) was the longest, and among the largest of all known predatory dinosaurs, and possessed many adaptations for a semiaquatic lifestyle. It lived in what is now North Africa during the Cretaceous period, between 112...