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Re: Edmontosaurus

Rachel Clark wrote:

> Out of curiousity, what is the difference between _E. annectens_ and
> _E.  regalis_?  Is there any?

In their review of the Hadrosauridae, Weishampel and Horner (1990), listed
three valid species of -Edmontosaurus-: -E. annectens-, -E. regalis-, and -E.

Weishampel, David B. and Horner, John R. (1990) Hadrosauridae. -in- The
Dinosauria, Weishampel et. al. (1990), Uni. of CA Press, pp.534-561.