Reference work entry
This biota is mainly located in several Mesozoic terrestrial sites in western Liaoning Province, northern Hebei Province and Inner Mongolia. The Mesozoic terrestrial facies strata are well developed and contain abundant fossils, such as Estheria, insects, bivalves, fish, amphibians, reptiles, birds and various mammals and plants. The phyla are complete, and the fossils are well preserved. This fossil group is known as the Jehol biota. With the recent discovery of fossils of feathered dinosaurs, birds, primitive angiosperms and mammals, this biota has become the focus of palaeontologists and geologists in China and around the world. This biota has provided adequate fossil data for identifying the origin of birds, angiosperms and mammals, which makes this site a treasure trove of rare terrestrial Mesozoic biota of significant academic and scientific value (Fig. 4).
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