[Geology2] In "vicious" ancient river waters, a sharp-toothed giant fit right in:

In "vicious" ancient river waters, a sharp-toothed giant fit right in:

 
 
A newfound fossil reveals the existence of a huge fish that once prowled
 
the bottom of North American waterways, scientists say.
http://www.world-science.net/othernews/110912_laccognathus* 
 
Other news from the world of paleontology:
 
Oldest known human ancestor may be about 2 million years old: study:
 
Researchers have reached a more precise age estimate for a fossil that
they say could be the oldest known direct human ancestor.
http://www.world-science.net/othernews/110909_sediba
 
* Tree-climbing critter called milestone in 
mammal evolution:
 
The oldest known member of the largest lineage of mammals was a
shrew-like creature that likely scurried on trees at night as dinosaurs
lurked,scientists say.
http://www.world-science.net/othernews/110907_j-sinensis
 
* Ancient sea monster may have cared for its young [I love when that
happens]
http://www.world-science.net/othernews/110812_plesiosaur
 
 
 

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