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[news]Chinese scientists find 1st fossil embryo

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    发表于 2004-6-10 23:23 |只看该作者 |倒序浏览
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    <><FONT size=4>Scientists in China have discovered a fossil thought to be more than 120 million-years-old containing an embryo of a flying reptile that lived alongside the dinosaurs. </FONT></P>+ d5 L* L4 A4 V7 Y% I9 O5 B) E
    <><FONT size=4>It is the only known fossil of an embryo of a pterosaur, a winged lizard that evolved powered flight. </FONT></P>9 o% `( I5 h6 [9 l7 ^
    <><FONT size=4>Wang Xiaolin and Zhou Zhonghe of the </FONT><a href="http://www.cas.ac.cn/" target="_blank" ><FONT color=#3300ff size=4>Chinese Academy of Sciences</FONT></A><FONT size=4> in </FONT><a href="http://english.peopledaily.com.cn/data/province/beijing.html" target="_blank" ><FONT color=#3300ff size=4>Beijing</FONT></A><FONT size=4> said that dinosaur embryos have been discovered all over the world, but so far no pterosaur embryos have been reported. </FONT></P>6 g7 S  @3 v" k( h& Q& B8 J5 |
    <><FONT size=4>The embryo is preserved in an almost complete egg and was found in the sediment of a lake in </FONT><a href="http://english.peopledaily.com.cn/data/province/liaoning.html" target="_blank" ><FONT color=#3300ff size=4>Liaoning</FONT></A><FONT size=4> in northeastern China that is known for its fossil riches. </FONT></P>
    ) G3 u1 l6 p4 E- x$ G8 A8 ]<><FONT size=4>The Chinese scientists said the Liaoning embryo has a wingspan of 10.6 inches, indicating that the embryo would have grown up into a medium-to-large pterosaur. </FONT></P>
      `. \6 h9 @6 }# H# Z- Y. E" y<><FONT size=4>The earliest pterosaurs, the first known flying vertebrates, lived about 230 million years ago. They died out about 65 million years ago. </FONT></P>
    $ k, V6 ~5 b) l5 I<><EM><FONT size=4>Source: CRI news</FONT></EM></P></DIV>+ s) }# X  @' B. a+ c; e6 \9 ~
    [此贴子已经被作者于2004-6-10 23:23:34编辑过]
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