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RE: Triceratops vsTyrannosaurus ??

Pardon me, but didn't *Giganotosaurus* supposedly take on super-elephant-sized 
sauropod dinosaurs? It lacks the cranial crushing equipment, but looks more 
like a repurposed *Allosaurus* and was maximized (seemingly) to cranial + 
manual prey-engagement.


Jaime A. Headden

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> Date: Sat, 12 Dec 2009 12:49:25 -0500
> From: GSP1954@aol.com
> To: dinosaur@usc.edu
> Subject: Re: Triceratops vsTyrannosaurus ??
> In a message dated 12/12/09 12:55:19 PM, mwildman@saurian.org writes:
> << Of course, this does not show that Tyrannosaurus necessarily hunted and
> then
> attacked the trike since, equally, the tyrannosaur may have been defending
> itself from an unprovoked charge from the ceratopsian.>>
> To the best of my knowledge unprovoked attacks by herbivores upon equally
> large predators are very rare, so in statistical terms the healed bitten off
> Triceratops horn is strong evidence that Triceratops and Tyrannosaurus did
> engage in combat as the result of the latter trying to have the former for
> lunch. Also, the uniguely extreme adaptations of T rex for killing elephant
> sized horned dinosaurs indicates that the super predator was highly adapted
> for preying on super ceratopsids (that's why no other giant theropod was a
> well armed as T rex, because they lived in habitats without huge ceratopsids).
> GSPaul
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