| |
| | Fossil birds, Archaeopteryx information |
 | | We regard it as the new specimen of the Sinosauropteryx prima, because its skull, teeth, girdle, hind limbs, and candal vertebras are better preserved. |
 | | It is no doubt that the bone structure of the Sinosauropteryx is obviously similar to Theropoda, such as large skull, sharp teeth, saw-tooth at rear edge of back teeth., strong skeleton, strong girdle and hind limbs, numerous scandal vertebras, and so on. |
 | | To discuss the Sinosauropteryx belongs to dinosaur or bird, it is necessary to see the biological standard distinguishing reptile and bird. |
| stonecompany.com /dinoeggs/study/birdpaper1.html (1604 words) |
|