Photo provided on March 17, 2017 by the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences shows the mushroom fossils discovered. Paleontologists from China, New Zealand and the United States have found four intact mushroom fossils, sources with the Chinese Academy of Sciences said on Friday. The four, well preserved in Burmese amber for at least 99 million years, are the earliest complete mushroom fossils ever found. (Xinhua)