On Fri, 26 Nov 2010, Don Ohmes wrote:
On 11/26/2010 7:57 PM, tholtz@geol.umd.edu wrote:* Such big animals may not have run or run muchThat makes sense -- would a big theropod have had to break out of a walk to literally walk circles around a sauropod? Tactical implications -- 1) a sauropod faced w/ a large-jawed tall biped directly in it's path could not likely just ignore it and keep on truckin'... the long skinny neck would require some sort of rearing/turning behavior to defend.
Hmmm. Or, speed up? That would be a lot of mass to oppose...