Tyrannosaurus origins in China?
Tyrannosaurus rex, dinosaur world is absolutely super idol, and since the first discovery in North America since 1905 has been named enduring. Everyone in the wonder of this amazing animals at the same time, can not help but ask, such a terrible killing machine in the end is how to evolve from? Previously, the oldest T. rex discovered in Europe 150 million years ago the grandmother Tyrannosaurus (Aviatyrannis), but the species of the fossil material is extremely limited, only a fragment of the pubic bone. After that is found in China dating back 130 million years of the Emperor Dragon (Dilong), emperor dragon bones quite complete, is the most compelling after the original dinosaur Tyrannosaurus rex.
The new century, the Junggar Basin of Xinjiang to become a hot research area Tyrannosaurus. In 2002, the Junggar Basin in the original excavation of two T. rex fossils, fossil has been named as two colorful guanlong (Guanlong wucaii), it is 30 million years earlier than the Dragon Emperor, 1000 years earlier than the grandmother Long, now become one of the earliest known tyrannosaur. This finding suggests that the Tyrannosaurus class may have originated in China.