Re: T.rex Pubis Boot

[Dinogeorge@aol.com]

In a message dated 4/10/01 12:12:53 PM EST, gasperex@hotmail.com writes:

<< Could the pubic boot of T.rex, could it play a major role in the sexual 
 dimorphism of T.rex? I find it strange because when I would look at pictures 
 of T.rex skeletons, the skeletons of slimmer T.rexs have smaller pubis 
 boots, but when I look at more robust T.rexs like Sue they have bigger pubis 
 boots than the slimmer ones. Could this be a indication of male and female? 
 And which ones will be the male and the female? >>

I think slimmer tyrannosaurids were probably just younger tyrannosaurids 
rather than different sexes. Males and females could well have been about the 
same build.