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Re: sauropods: homotherm,heterotherm or gigantotherm?

2005/9/15, David Marjanovic <david.marjanovic@gmx.at>:
> > Try swim... It costs more energy than walk or run in air.
> Are you sure those numbers don't include the basal metabolic rate???

Erratum: it costs as much energy as walk or run..

> > > The "creodont" *Megistotherium* (literally "biggest beast") is said to
> > > have been bigger, and carnivorous (unlike the herbivorous cave bear).
> > > Then there's *Andrewsarchus*...
> >
> > How much bigger? About the size of a, let's say, _Deinosuchus_?
> No. But then *D.* counts as semiaquatic.

What about _Megalania_? (At least one author - Molnar 2004 - estimates
its maximum size as about 2 tonnes - though the mean size must be
around 400 kg.)


Roberto Takata