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Re: Speedy tyrannosaurs

>        "... _Tyrannosaurus_ was incapable of taking large strides.
>       In fact its stride was not much longer that the length
>       of its foot.  This proves that _Tyrannosaurus_ was a very
>       slow moving dinosaur and not able to walk at much more than
>       5 kph (3 mph), less than the speed of a man walking."
>                       Halstead, L., Dinosaurs, Sterling Publishing Co., 1981

     Which brings us to the latest theory of dinosaur extinction.  Pants 
becam fashionable among theropods during the Late Cretaceous, but not 
being designed to pull them all the way up, they wore them around thier 
ankles and shuffled themselves to starvation.