1970, villagers dig the ground in furongqiao village, furongqiao township, Sangzhi county, Zhangjiajie. Just dig down a few dustpans and they are broken, like bones, but like stones. This incident alarmed the 405 Geological Team of the Ministry of Geology and Mineral Resources at that time, and sent people to check it, which was initially identified as dinosaur fossils. At that time, the 405 Geological Team, together with experts from vertebrate paleontology Institute of Paleoanthropology, Chinese Academy of Sciences, Zhang Fakui and Qiu Zhuding, spent three months excavating and clearing up three hibiscus fossils in the purple rock stratum of the Triassic Badong Formation.
198 1 year, geological museum, Hunan province sent people to furong bridge for a second excavation, which lasted for two months and repaired and assembled three furong dragon skeletons. One belongs to geological museum, Hunan Province, the other belongs to vertebrate paleontology Institute of Paleoanthropology of China Academy of Sciences, and the other belongs to Beijing Museum of Natural History, all of which are collections and exhibitions.
The appearance of toothless hibiscus
Hibiscus toothless is about 3 meters long, 0.7 meters wide and 1 meter high. It has a long tail and short thick limbs. It is a huge quadruped. Toothless hibiscus is a herbivore with a parrot-like beak and no teeth. It cuts plants with its beak when eating, just like other species of Echinothorax frog. There is a long backstab on the back, similar in appearance to Allosaurus and Pterosaur in Permian, but not so high. These dorsal spines can be used to regulate body temperature.
Hibiscus is medium-sized, with scales on the surface and no deck. The head is small, thin at the front and wide at the back. The top is regarded as a triangle and the back edge is concave. The upper jaw has no teeth, and the tip of the kiss is small and bent downward, showing a taste. The mandible has no teeth and the mandibular foramen is well developed. There are 24 anterior recommended vertebrae and 3 recommended vertebrae. The nerve spines are abnormally high, flat and strip-shaped.