Re: Tyrannosaur hunter-gatherers?

["Jordan Mallon" <j_mallon@hotmail.com>]

> From: "David Marjanovic" <david.marjanovic@gmx.at>

> The females, if true, were bigger, which means they 1. were heavier >making 
> them slower), 2. had longer legs (making them faster) and 3.
> had more muscle mass (making them faster). Shouldn't they have been >faster 
> on the whole?

Yeah, they would have had longer legs, but their femur/tibia+Mt3 ratio 
increases with age.  If you want to run fast, you'll also want your 
femur/tibia+Mt3 ratio to be as small as possible.  This isn't the case for 
large adult tyrannosaurids.

-Jordan Mallon

http://www.geocities.com/paleoportfolio/

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