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Re: Lack of Running Giant Theropod Tracks


quote: Multi-tonne sauropods are found to be extremely
buoyant and unstable in water


On Mon, Nov 29, 2010 at 2:43 PM, Mike Taylor <mike@indexdata.com> wrote:
> On 29 November 2010 13:36, Don Ohmes <d_ohmes@yahoo.com> wrote:
>> On 11/28/2010 10:46 PM, Sim Koning wrote:
>>> Are you suggesting that sauropods lived in swamps?
>> Why would a super-powerful, long-legged, high-buoyancy animal with a body
>> ideally shaped for moving through soft ground and dense vegetation avoid a
>> swamp? Especially when they were in need of a place where the giant bipeds
>> could not go?
> Perhaps because they had the most compact feet of any animals bar cattle?
> Or because the cross-sectional shape of their torsos was optimised for
> terrestrial rather than aquatic locomotion?
> Or because the adaptations that you consider beneficial for bouayancy
> are best interpreted as lightening the body for a terrestrial
> lifestyle?
> Or maybe everyone just assumes that sauropods were terrestrial because
> sauropod fossils have been overwhelmingly found in seasonally dry
> environments?