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Re: Distributions

>       I was wondering if distribution of dinosaurs would add any weight 
> to the argument for endothermic dinosaurs. 

     One of the arguments in the Dinosaur Biology paper (Farlow, Dodson & 
Chimsamy, Annual Reveiw of Ecology and Systematics 1995 26: 445-471) 
mentions that Judith River and Two-Medicine dinosaurs ocupied a 
geographic area much smaller than is suitable any Pleistocene-Holocene large 
endothermic mammals.  They suggest that this may imply ectothermy, in 
that dinosaurs could be large and occupy such a relatively limited 
geographic range due to thier samller food intake requirements.  

LN jeff