Armoured Spinosaurus?

["no go" <honkietong@hotmail.com>]

Has there been any evidence of armoured Spinosaurids, particuarly 
Spinosaurus?

I've been watching JP3, and despite the abysmal storyline and the almost 
obvious lack of effort in making the small monkeys look realistic (I have no 
idea why people keep telling me they were intended to be humans), one thing 
in the movie kept coming to me:

The scene in question is when the T.rex grabs hold of the Spinosaurus on the 
neck and drags it around for a few moments. This would have finished any 
dinosaur, but not good ol' Spino who manages to get off with barely a 
scratch and even manages to turn the tables.

The strange thing is, Spinosaurus was up against the undisputed champion of 
bite force, which could shatter Triceratops hipbones with its obscenely 
powerful 13,400 N bite. Considering that, it's pretty amazing that 
Spinosaurus could not only survive the bite to his looking much more fragile 
then a hipbone neck, but with nary a scratch. Was Spinosaurus neck armoured? 
Has there been any evidence for that? I know the movie monster theory could 
be used up to explain this, but what on earth could Ingen mess with to give 
Spinosaurus such amazing abilities? Is there any fossil evidence to suggest 
an armoured Spinosaurus?

Also, JP3 seems to tell us that Spinosaurus had an incredibly tough neck, 
despite having his multi-ton mass dragged in such a violent way, it did not 
dislocate or break, nor even show significant signs of tissue damage. I know 
we should speculate a little on dinosaurs, but was Spinosaurus really 
armoured and had a powerfully built neck or are the movie makers just 
yanking my crank in a really badly rigged fight? Can I put this down as one 
of the all-too-many times when dinosaur movies suspend the laws of physics 
or is there really any justification for Spinosaurus rather amazing neck 
feats. Spino struck me as big and mean, but it was his indestructable neck 
that really got to me...

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