The first dinosaurs appeared on Earth 225 million. G. Is in the Triassic period. Some size does not

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In "Jurassic Park", the famous American writer Michael Crichton, somehow unconsciously whether intentionally sung by turning from oblivion such ancient creatures that people never dreamed of. He revived, glamour uk although in the novel, dinosaurs, thereby causing unprecedented to "dynozavromaniyu." These creatures, which made it possible extinction born Homo sapiens, somehow seamlessly merged into our lives, from the small to the heroes Souvenir series and blockbuster mod that has most of us and can not imagine my life without these things. But who are these mysterious and incomprehensible animal?
Zachovhane and zashurovane holes to the assertion that the lion - the king of beasts, ever since "Eternal Rome" were captive minds of learned glamour uk men, and how well they are deeply mistaken. After cliche can be seen by the fact that idiom or a person who knows nothing about the world. Those who read something and have at least some concept of things glamour uk beyond his "I" know that in fact the dominant group that lived on the planet 160 million years, and reaching its climax, died. Those who have reached velytenskyh sizes and unprecedented among land vertebrate species diversity being greatest and most horrible creatures at the same time - they were dinosaurs. Dinosaurs, they caused a real scientific explosion at the end of the nineteenth century. to our time remaining a mystery. And at once in our imagination arise those horrible giants, which cause their terror to prehistoric Earth. Scientific knowledge about dinosaurs evolved from fossils. Modern paleontologists have made sufficiently clear idea of the origin of dinosaurs, glamour uk their anatomy, reproduction, lifestyle, diversity of species.
The first dinosaurs appeared on Earth 225 million. G. Is in the Triassic period. Some size does not exceed the trigger, but the others were giants, the largest animals that live on land. In the Jurassic period they lived on the entire planet, but at the end of the Cretaceous extinct. Triassic, Jurassic, Cretaceous, the three components of the Mesozoic era, often called the "age of dinosaurs". Did they "terrible lizards" glamour uk and it is translated from the Greek word "dinosaur"? They did not have a systematic value - type series or class. Perhaps the only sure ways modern science - is that dinosaurs evolved from Thecodontia - Crocodylomorpha creatures, which, unlike their relatives, crocodiles moved on, almost straightened legs. Indeed reptiles existed before the advent of dinosaurs in the early Triassic period, glamour uk a number of new species, such as kinodonty "sobakozubi" that hunted unwieldy herd of herbivores. In ancient reptilian limbs were placed on either side of the body, as in the present. Eventually they were replaced Archosaur "ruling lizards". One of the PMU these reptiles, which belonged to the above mentioned Thecodontia differed from other physique. Limbs were vertically under the trunk.
By the end of the Triassic period on earth dinosaurs glamour uk roamed true, but the dominant group of vertebrates on the planet, they were only in the Jurassic glamour uk period, when their number and diversity peaked. Scientists glamour uk believe that at that time there were about 1,300 species.
Dinosaurs glamour uk are divided into two main series: zaurimiyi, which resembled a skeleton skeleton lizards and ornitomiyi whose skeleton was like a skeleton birds. In zaurimiy are two rows meropody and sauropods, and ornitomiy - four: Ornithopoda, Stegosaurus, and aktynozavry Ceratopsia.
When known systematics and much interesting information can be found only a generic name. Each new type of dinosaur gets its own name. In the role of godfather favor scientist who studied quite a find, and spent a comparative analysis of the already glamour uk found species. glamour uk "Birth certificate" is published in one of the trade magazines. The name always consists of two main parts: the name of the genus and species name, being faithful to tradition, scientists use Latin. When choosing a name using Greek words, place names and proper names. Most appear in the title of the characteristics of this type of dinosaur. Stegosautus armatus (armed dinosaur) with plates and spikes. Cerotosaurus nasicornis (horned dinosaur with nasal horn) on the nose of this dinosaur was a large horn. Diplodocus longus - a long dinosaur, glamour uk a characteristic feature of which was the presence of dual processes in most bones of the caudal vertebrae. Quite often in the name of the place is reflected findings, such as Mamenchisaurus hochianensis. Malenchi and Hechuan - areas in China where they found the remains of a dinosaur. Lesothosaurus, which was found in Lesotho (Africa), Albertosaurus - Alberta Canada. Proper names are used in the names of species to perpetuate honor of the great scientists. Names in English