| 单词 | fish fossil | 
| 释义 | fish fossil A 50 million year old fish fossil was discovered.  Retrieved from Wikipedia CC BY-SA 3.0   In addition to articulated fish fossils with their scales still in place, the site contains shell fragments from seagoing mollusks called ammonites.  Retrieved from Wikipedia CC BY-SA 3.0   There are significant amounts of fish fossils there.  Retrieved from Wikipedia CC BY-SA 3.0   Fish fossils include tui chub and several salmon species.  Retrieved from Wikipedia CC BY-SA 3.0    | 
	
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