The footprints, believed to be more than 100 million years old, were discovered after a three-month excavation at a gully in Zhucheng in the eastern province of Shandong, the Xinhua news agency reported.

The prints range from 10 to 80 centimeters (four to 32 inches) in length, and belonged to at least six different kinds of dinosaurs, including tyrannosaurs, the report said Saturday.

Wang Haijun, a senior engineer at the Chinese Academy of Sciences, said the prints faced the same direction, Xinhua said.