New Study Traces Evolution of Ankylosaur’s Distinctive Tail

Ankylosaurs are a large group of herbivorous armored dinosaurs that lived during the Jurassic and Cretaceous periods. The typical ankylosaur had a wide armored body and a flexible tail. But one group – ankylosaurids – also had a distinctive tail club composed of stiff, interlocking vertebrae (the handle) and large, bulbous osteoderms (the knob) – [...] —> Read More