What's the name of the dinosaur?

Dinosaurs include Xu Lufeng Dragon, Bird-shaped Dragon, Tyrannosaurus Rex, Huoyan Mountain Shaanxi Dragon and Shanshan Dragon. The introduction and pictures of these dragons are as follows:

1, Xu Shilu Hong Long:

Xu Lufenglong is a genus of protosauropod dinosaurs, which lived in the southwest of China from the early to the middle Jurassic. Fossil specimens were found in Lufeng, China. Xu's Lufenglong is one of the oldest dinosaurs excavated in China.

Xu's Lufenglong is the first dinosaur fossil in China. It was named by Academician Yang, the founder of vertebrate zoology in China, in 194 1 year. It is called a dragon in China, and it is the treasure of China Ancient Animal Museum.

2. A dragon like a bird:

Bird-like dinosaur is a kind of theropod dinosaur in the late Cretaceous, mainly living in North America such as the United States and Canada. Because it looks like a big bird, it has a name like a bird dragon.

Bird dragons are similar in appearance to large birds such as ostriches and pelicans, but they still have long tails. Like a bird, the faucet has small eyes, so it has a wide field of vision and good eyesight. Their tall and light bodies and powerful three toes can make them run very fast.

3. Tyrannosaurus Rex:

Tyrannosaurus rex is the largest kind of Tyrannosaurus rex. The body length is about 1 1.5- 14.7 meters. The average hip height is about 4 meters. The highest hip height can reach about 5.2 meters, and the highest head height is nearly 6 meters. The average weight is about 9 tons, the maximum weight is 14.85 tons, and the maximum head length is about 1.55 meters.

The bite force is generally 90,000 Newton-654.38+0.2 million Newton, and the maximum bite force at the end of the mouth can reach about 200,000 Newton. It is also the strongest carnivorous dinosaur.

4. Shanshan dragon in the flaming mountain:

Shanshan Dragon in the Flame Mountain was discovered in Lianmuqin, Shanshan County, Turpan Basin in the Late Cretaceous. This is a small theropod carnivorous dinosaur. It is about 2 meters long, light and flexible.

Its skull is of moderate size and height, with two eye holes. The teeth on the upper jaw of this dinosaur are slender, with one side flat and small serrations on the edge. The mandible is thin and low, and there is a developed internal odontoid bone on the odontoid bone. Its neck length is moderate, its forelimbs are thin and short, its hind limbs are thick and long, and the ratio of the length of its front and rear limbs is 1:3.

5. Zhonghe Jinshajiang Dragon

The total length of Zhonghe Jinshajiang Dragon is about 12- 13 meters. Its teeth have the style of primitive sauropods, including serrated edges, just like the late sauropods-Emei dragon or Camarasaurus.

However, after detailed study, Jinshajiang dragon belongs to primitive sauropod dinosaur. Its skull is not specialized, the upper and lower jaws are narrow, the central part is thick, there is no lateral room, and the nerve arch is quite low.