Only One Triceratops Species??

["Steve Brusatte" <dinoland@lycos.com>]

Hey,
In his book The Horned Dinosaurs, Peter Dodson makes a case for one, single 
species of Triceratops: T. horridus.  He writes that the 10-16 other species 
that have been named are nothing more than juveniles or different sexes of T. 
horridus.  

My question is this: how much scientific weight does this hold?  Have any 
papers been published on this?  Refs?  I would love to hear the opinions of 
list members.

Happy Pulaski Day,
Steve
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Steve Brusatte-DINO LAND PALEONTOLOGY
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