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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 saber-toothed tiger (Smilodon) is an extinct large mammal belonging to a genus in the family Felidae. They lived in the late Pleistocene and became extinct about 12,000 years ago. Here is a detailed introduction to saber-toothed tigers:feature:teeth:The most obvious feature of the saber-toothed...
Radiolarians are single-celled protozoa floating in the ocean. They are named after their radially arranged thread-like pseudopods. Protozoa are the lowest type of animals, and each individual is composed of only one cell. In terms of classification, scientists classify t...
The human brain is larger than other primates in both absolute and relative capacity, and its sulcus structure is also more complex. The traditional view is that the enlarged human brain is the result of gradual accumulation in the process of evolution, and generally continues the trend of pr...
Elephants are currently the largest land animals on Earth, with their sturdy limbs and wide feet firmly supporting their huge bodies. However, there were some prehistoric elephants that were even larger in size. Do you know which elephants have become extinct? This article will take you to learn abo...
When the American paleobotanist Letariak was analyzing and studying the Late Ordovician ancient soil in Pennsylvania, he discovered the fossilized footprints of some annelids or arthropods that entered deep into the soil from the surface. Based on these fossils, it is inferred that the terres...
When people think of bacteria, the first thing that people think of are probably those pathogenic bacteria that cause diseases and destroy lives. Therefore, it is inevitable to talk about bacteria. In fact, pathogenic bacteria are only a part of bacteria, and in the vast world of bacterial fa...
In a time long before the modern world knew the fearsome Komodo dragon, there existed another terrifying predator that roamed the ancient Earth: the Red Crocodile (Crocodilus ruber), a prehistoric beast with a striking resemblance to the Komodo dragon. These enormous reptiles were not only fearsome...
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