This smaller cousin of Stegosaurus, found in the Late Jurassic deposits of Tanzania, was armed with a formidable array of paired spikes along its tail. (And, in one of my favorite bits of fossil ...

New research indicates that the tail clubs on huge armored dinosaurs known as ankylosaurs may have evolved to whack each other rather than deter hungry predators. This is a complete shift from ...

This may not have been so. Some plesiosaurs may have had tail fins. From the time that Victorian naturalist William Conybeare named Plesiosaurus on the basis of a nearly-complete skeleton in 1824 ...

Often compared to an army tank or bus, Ankylosaurus was a heavily armored dinosaur with a large club-like protrusion at the end of its tail. Ankylosaurus means "fused lizard" in Greek, and it was ...

Figure 1: Pitch stabilization using a tail in a lizard and robot. Figure 2: Sensitivity of body rotation to a perturbation in a lizard and robot. For simple characterization of the underlying ...