dinosaurs

  • These Spikes Grew Right Out of a Dinosaur’s Ribs

    These Spikes Grew Right Out of a Dinosaur’s Ribs

    A team of paleontologists announced this week the discovery of the oldest-known ankylosaur, a swaggering dinosaur famous for its armour plating and clubbed tail. But besides its superlative age of over 160 million years, the ankylosaur also had a bizarre morphology, as spines protruding from the animal’s back were fused to its ribs.