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Re: dinosaur humps

> Such vertebrae as found in dicraeosaurids would  
> have undoubtedly made a hump instead of a sail, given their great 
> transverse diameter. 
 
So the idea of 2 sails is dead? 
 
Another question... considering the extreme case *Spinosaurus*, what would 
a hump be good for when it was 1.8 m high and would shift the center of 
gravity considerably forwards in a biped? 

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