http://big5.ce.cn/culture/archeology/200712/26/t20071226_14040224.shtml

This is trilobita fossil is present to more than 3 hundred million years ago , and is attach to reptile.

This is dinosaur fossil , first dinosaur fossil

is present to two hundred million four surely

years ago , attach to vertebrate crawling ,

and they distribute carnivorous and herbivore.

http://ms3.stps.tpc.edu.tw/~91contest/basic/60409/d6.htm