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The British magazine Nature published online the research results of Wang Haibing and Wang Yuanqing of the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, and Meng Jin of the American Museum of Natural History on the evolution of t...
The earliest representative of lungfish is the bifin fish of the middle Devonian period. On this basis, lungfishes were relatively prosperous from the Late Devonian to the Carboniferous, and only a few extremely specialized representatives live in the equatorial regions of Africa, Australia,...
In addition to the production of methane from nature, such as oceans, permafrost and some wetlands, human activities are its largest source. The main human activities that contribute to methane emissions are livestock farming and biomass burning (the burning of vegetation on land during land...
Hemichordates are also called "cryptozoans" and they all live in the ocean. Their most striking feature is a nerve cord located on their back and a short blind tube called an "oral cord" extending forward from the back of their mouth. Some scientists believe that this dorsal nerve cord is the...
The only order in the subclass Metatheria is the Marsupial order. It has experienced great development since it originated from the ancestors of ancient mammals in the Cretaceous period. It is widely distributed around the world and competes with each other in a more or less equal position wi...
The ancient spine is located in a new type of pterosaur found in the famous Jehol Biota in the western Liaoning region of my country about 120 million years ago - Ikrandraco avatar gen.et sp.nov. The top of the skull of this new pterosaur is straight, and a strange blade-shaped semicircular b...
The primitive Jeholornis, which dates back to about 120 million years ago, is the most primitive bird discovered so far in my country. Its primitiveness is second only to the Archaeopteryx discovered in Germany, and it represents the oldest known specialized bird. Seed-eating birds. Its disco...
Both sexes of Chilotherium have no horns. The snout of the mandible is strongly expanded laterally and has two huge tusks with sharp blades. The upper incisors have completely degenerated and disappeared. They flourished in Eurasia during the late Miocene. . Since the establishment of a new genus of...
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