What is the Jehol biota?
Q: What is the Jehol biota?
A: The Jehol biota is the ecosystem of northeastern China between 133 to 120 million years ago (mya).
Q: Where were the fossils of the Jehol biota found?
A: The fossils of the Jehol biota were found in the Yixian Formation and the Jiufotang Formation in China, as well as in the Sinuiju series of North Korea.
Q: What dominated the ecosystem of the Lower Cretaceous?
A: Wetlands and numerous lakes dominated the ecosystem of the Lower Cretaceous.
Q: What was the climate like during the Lower Cretaceous?
A: The climate during the Lower Cretaceous was temperate with alternating semi-arid and mesic conditions.
Q: What interrupted the Jehol ecosystem at times?
A: Ash eruptions from volcanoes to the west interrupted the Jehol ecosystem at times.
Q: Why was the word Jehol used to name the biota?
A: The word Jehol was the name given during the Japanese occupation of North-East China, 1933–1946.
Q: What is noteworthy about the Jehol biota?
A: The Jehol biota is noteworthy for the many different fossils and the large numbers of individuals of each species that have been recovered.
