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Re: sauropods: homotherm,heterotherm or gigantotherm?



Purussaurus is oft forgotten as a deinosuchus
size-rival croc. 

http://big_game.at.infoseek.co.jp/crocodile/croco3.html

heheh.

entertained the idea of making a show on this guy, but
he got dropped in the end.

Denver.


--- Roberto Takata <rmtakata@gmail.com> wrote:

> 2005/9/14, David Marjanovic
> <david.marjanovic@gmx.at>:
> > > In the water we have huge ectotherms like
> whale-shark...
> > 
> > Yes, but it doesn't even need to carry its own
> weight.
> 
> Try swim... It costs more energy than walk or run in
> air.
> 
> > > On the other hand, mammals carnivores never
> gotten so big - the
> > > biggest is the killer whale with more or less 5
> tonnes.
> > 
> > Doesn't the sperm whale count?
> 
> Okay, _Architeuthis_ is a noteworth prey...
> 
> > > The extinct cave bear could reach about 900 kg.
> > 
> > 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_?
> 
> []s,
> 
> Roberto Takata
> 



                
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