What are the heavyweight dinosaurs in Chongqing dinosaur family? Why did so many dinosaurs live in Chongqing hundreds of millions of years ago? Recently, the reporter went to Chongqing Natural Museum to visit Chongqing dinosaur archives and unveil the mystery of Chongqing ancient dinosaur world.
Chongqing dinosaurs are world class? Star?
Walking into the special exhibition hall of the Natural History Museum, the first thing you see is a huge sauropod dinosaur fossil specimen. Its mouth is slightly open, its head is upright and it looks full of momentum.
Really? Oriental dragon? Mamen Xilong in Hechuan is the largest and best-preserved giant dinosaur in Asia, and is known as? China dinosaur star? . ? Ouyang Hui, director of Chongqing Natural Museum, said that Mamen Xilong in Hechuan is also the longest-necked dinosaur in the world, with a body length of about 24 meters and a neck length accounting for almost half of its body length. The National Museum of the United Arab Emirates once bid $30 million, hoping to take it into the bag and serve as the treasure of the town museum.
Before 1970s, only sporadic teeth and a few broken bones were found in carnivorous dinosaur fossils in China. To this end, someone abroad once said: In the distant Jurassic, there were only vegetarian dragons in China, which is also the reason why China people were weak and resigned. ?
However, from 1972 to 1977, a giant carnivorous dragon fossil was found in Yongchuan, Chongqing, which overturned this fallacy. At that time, this discovery caused a sensation at home and abroad, and also attracted paleontologists from the British Museum to visit. At this point, China carnivorous dinosaurs finally got the recognition of the world.
The main city of Chongqing is an area where dinosaur fossils are densely distributed.
How many such precious dinosaur fossils are there in Chongqing? This year, in the process of completing the first national survey of movable cultural relics, the Natural Museum conducted a comprehensive inventory of dinosaur fossils found in Chongqing. ? Dinosaurs mainly include sauropods, theropods, ornithopods and stegosaurus. These dinosaur fossils are found in Chongqing. ? Ouyang Hui said that up to now, more than 40 dinosaur fossils have been found in the city, and nearly 10 fossils have been unearthed.
What is even more amazing is that the main city of Chongqing is actually a densely distributed area of dinosaur fossils. Dinosaur fossils have been found in Chaotianmen in Yuzhong District, Tongyuan Bureau in Nan 'an District, Dashiba in Jiangbei District, Mawangchang in Jiulongpo District, Jingangbei, Chengjiang Town and Tongjiaxi Town in Beibei District. Among them, Beibei District is the place where many dinosaur fossils are found, * * * Discovery 13.
What caused so many dinosaurs to live in Chongqing? ? Chongqing can be said to be one? City of dinosaurs? . ? Ouyang Hui said that during the Jurassic period 65.438+35 billion years ago, Chongqing was covered with swamps and lakes, with a hot and humid climate and dense forests and shrubs on the shore, which was especially suitable for dinosaurs to survive and live.