Sinostega
Encyclopedia
Sinostega is an extinct genus of early tetrapod
from the Late Devonian
of China
.
The fossil was discovered in the Ningxia Hui Autonomous Region, northwest China, and consist of a fragmentary lower jawbone measuring 7 cm in length. It is the first Devonian tetrapod to be found in Asia
.
Tetrapod
Tetrapods are vertebrate animals having four limbs. Amphibians, reptiles, birds and mammals are all tetrapods; even snakes and other limbless reptiles and amphibians are tetrapods by descent. The earliest tetrapods evolved from the lobe-finned fishes in the Devonian...
from the Late Devonian
Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...
of China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
.
The fossil was discovered in the Ningxia Hui Autonomous Region, northwest China, and consist of a fragmentary lower jawbone measuring 7 cm in length. It is the first Devonian tetrapod to be found in Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
.
External links
- http://news.nationalgeographic.com/news/2002/12/1218_021218_tetrapod.html
- http://english.cas.ac.cn/Eng2003/page/SRA/D_3.htm