This dinosaur had a weapon shaped like an Aztec war club on its tail

A new ankylosaur species found in Chile may be an early version of the armored creatures

illustration of a new species of ankylosaur with a sunset in the background

Found in Chile’s Patagonia, a new species of ankylosaur (an artist’s 3-D model of the creature shown) had an unusual, flat club on its tail.

Lucas Jaymez

A newly discovered species of ankylosaur had a bizarre club on its tail unlike that of any known dinosaur.