At the beginning of the Jurassic period, many types of dinosaurs lived on every continent on the earth. Because these dinosaurs looked similar in different places, they were called the Ring-Tethys dinosaur fauna.
Yunnan dragon
Among the dinosaur fauna of the Tethys Sea, there lived a type of Yunnanosaurus named after the place where it was discovered - Yunnan Province, my country. They were a kind of paleopod dinosaur that appeared just at the beginning of the Jurassic Period.
Yunnan dragon has a long neck, walks on four legs and feeds on plants. Surprisingly, the teeth of Yunnanosaurus are very strange. As a paleopod dinosaur, its teeth look very much like the teeth of a sauropod dinosaur, Brachiosaurus. Yunnanosaurus has more than 60 teeth. These teeth are not only shaped like the teeth of sauropods, but also the way they are abraded is similar to sauropods. This situation is likely to be one of the evidences for the origin of sauropod dinosaurs and paleopod dinosaurs.
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