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There is a city called Seymour in Texas, USA. A large area of early Permian sediments is exposed in the north of the city. The famous fossil representative of salamanders between reptiles and amphibians was found here. On the one hand, salamanders resemble a labyrinthine
In the middle Devonian period, some more advanced bony fishes appeared. Part or all of their bones ossify into hard bone. The outer layer of the skull is made up of a large number of bone fragments joined together in a complex pattern, covering the top and sides of the head and back over the
Before the earliest vertebrates were discovered in the Chengjiang fauna in China, scale fossils with bony structures found in the Ordovician freshwater sedimentary rocks in Colorado, USA, had been the remains of the earliest vertebrates. Morse fish Mo
If you go to the botanical garden to play, you will definitely be attracted by the various colorful flowers there; every spring, accompanied by the warm spring breeze, flowers of all sizes bloom in the fields, hillsides, courtyards and roadside. It makes people feel the breath of spring the m
Molluscs are a category with a very large number and variety of invertebrates. There are 120,000 modern species and fossil species that have been discovered, making them the second largest category in the animal kingdom after arthropods. Molluscs have strong adaptability and are therefore wid
Algae are the lower types of the plant kingdom. There are many kinds of them, with an estimated 18,000 species, belonging to green algae, diatoms, golden algae, red algae and brown algae. They are widely distributed in various waters on the earth. Algae have a cell wall c
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
All different kinds of living things on earth have more or less common characteristics, and the usual explanation for this phenomenon is that they all descend from a common ancestor. For example, all mammals have hair because sheep, lions, dolphins, humans, and bats all evolved from a hairy s
In layman's terms, fossils are stones that are the remains or remains of creatures that lived in the distant past. During the long geological time, countless creatures have lived on the earth. Many of the remains of these creatures after death or traces of their lives wer
Metallura baroni is a hummingbird that loves humidity and lives in the swamps of the Americas. It can be found in many African wetlands. It can be seen that although the same purple throat bright tail hummingbird, but its origin is different, different habits, individual differences are very obvious
Chinese name: TaiyulongLatin name: CaudipteryxAge of survival: Early CretaceousFossil origin: Liaoning, ChinaPhysical characteristics: 70 to 90 cm longDiet: carnivoreType: TheropodDefinition: A bird with a feathered tailThe discovery of the primitive Archeopteryx, which belongs to the suborder Ovira
Allosaurus (also known as Allosaurus fragilis), which lived in the Late Jurassic, was the largest carnivorous dinosaur of that era. They were 12 meters long, 5 meters high, and some weighed more than 1.4 tons. It relied on two tall and strong legs to survive. It walks on its hind legs and has
Styracosaurus is also a large horned dragon. The significant difference between it and other ceratopsians is the neck shield. There is a circle of sword-like bone spines on the edge of the neck shield of Styracosaurus, which looks like a row of "painted halberds" inserted behind the back of a
Lufengosaurus lived in the Early Jurassic about 190 million years ago and was the ancestor of the later giant herbivorous dinosaurs. It is named after the type specimen was found in Lufeng County, Yunnan Province, China. It is also the first complete dinosaur fossil found in China.
According to the five-kingdom classification system of organisms, plants and animals, as two high-level classification levels of organisms, evolved from another level - some different categories of the kingdom of protists, and are parallel to the latter. Relationship. Suc
The earliest skeleton fossil of a large reptile that came to the attention of the scientific community was discovered in 1770, about 40 years before Darwin was born. It was found in a chalk quarry on the St. Peter's Mountain in the village of Maastrich in the Netherlands. in ancient strata. T
The carnivorous theropod dinosaurs also survived the catastrophe at the end of the Triassic and further developed in the Jurassic. The Synanthosaurus discovered in Zimbabwe that lived 200 million years ago was a theropod carnivorous dinosaur that dominated the earth in the early Jurassic peri
Early paleontologists believed that dinosaurs were a class of reptiles of their own, so they were unified into the "order Dinosaurs". Later, as scientists learned more about these animals, they discovered that they actually included two different orders of reptiles, namelySaurischians (common