For nearly 100 million years, the half-inch skull filled with sharp little teeth remained frozen in time ... a Chinese ...

movement and behavior from a time when no fossilized dinosaur bones have been found in Australia," Romilio said. MORE: Well-preserved remains of saber-toothed kitten found frozen in Russian tundra ...

An extinct species of parasitic wasp dating back nearly 99 million years was found preserved in amber, according to researchers.