PARIS, Feb. 8 (Xinhua Li Xuemei) French researchers have recently passed the advanced X-ray technology, a real foot fossil snake was scanned. The results showed that the modern terrestrial snakes and lizards is very similar to the results help scientists uncover the mystery of the origin of snakes.
The study by the French National Scientific Research Center and the Museum of Natural History paleontologist work together. Researchers in the latest issue of the United States, It is 50 cm in length, only one foot from the surface, about 2 cm. The researchers used the European Synchrotron Radiation X-ray scans were carried out, the results also found that the only really full of snakes the other foot.
researchers said that the reason this foot can not easily be detected because it occurred in the rock alienation, some only 4 of its ankle bones, and no toes This shows that the foot has been really full of snakes at the time showed the trend of degradation. The researchers believe that only true foot snake is precisely the age in which snakes from lizards with legs free foot to the period of animal evolution, it has high research value.
the scientific community for the origin of snakes has been controversial, some believe that such creatures by terrestrial lizards evolved, while others believe that the ancestors of snakes live in lizards in the ocean.
No comments:
Post a Comment