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The reduction in the number of fingers or toes has occurred many times in the evolution of tetrapods. The most famous example is the "Horse Fossil Sequence" (this is a series of equine fossils from primitive to progressive, which reveal the gradual reduction of limbs to one digit in the evolu...
How are fossils formed? Fossils are formed in many ways, but most are formed when a living organism (such as a plant or animal) dies and is quickly buried by sediment (such as dirt, sand, or volcanic ash). Soft tissues often break down, leaving only the hard bone or shell (although...
"Nature" (Nature) sub-journal "Nature Ecology & Evolution" (Nature Ecology & Evolution) published online on September 4, Zhu Min's team from the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, on the fish landing New progress in t...
Solid fossils are fossils formed by preserving all or part of the paleontological remains themselves (especially the hard parts). mosquito in amber Under particularly suitable circumstances that can avoid air oxidation and bacterial corrosion, the re...
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...
Recently, researcher Xu Guanghui of the Institute of Vertebrate Paleontology and his graduate students Ma Xinying and Ren Yi published the latest research results on Triassic fishes in Yunnan and Guizhou in the American magazine "PeerJ". The paper describes in detail a new articulated fish th...
"Scientific Reports" published on February 27 reported the research results of a new species of ankylosaurus fossils discovered in Hu Town, Jinyun County, Zhejiang Province. This species was officially named Jinyunpelta sinensis. The research results were jointly completed by researchers Z...
Almost at the same time as the origin of marsupials, another more progressive mammal differentiated from the ancient beasts. The allantoic membrane they inherited from the eggs of their ancient reptilian ancestors came into contact with their mother's uterine lining, forming their unique plac...
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