Researchers discovered Spinosaurus aegyptiacus had a "paddle-like" tail to propel itself through water, described as "the most extreme aquatic adaptation ever seen in a large dinosaur." https://t.co/Xsr20UxJL5pic.twitter.com/jnF7qpKidm
A newfound fossil tail is changing what we know about Spinosaurus—and stretching our understanding of how and where dinosaurs lived. For more iconic storytelling like this, subscribe to National Geographic: https://t.co/wUHbBSAkyFpic.twitter.com/KsoHk0qBJe