21/10/2021

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 armor 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…

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