Something interesting...

The T-rex was listed as a sub-adult. There are no official statements saying that the Spinosaurus was an adult or a sub-adult. It's always been assumed it was a sub-adult due to it's length of 43 ft. Then again, if you're one to believe Spinosaurus didn't get much bigger than that(I personally say 50-56 ft), then maybe it was an adult. Once again, it essentially comes back to opinions and no one is right and no one is wrong.

Once again, Its an argue of theroies all over again...

@Sinornithosaurus

I can't completey argue with that, and I now read it over, sounds like it came off rather brash, Never the less, Its not a complete science of proving it, or else we'd see feathers more often and on more speicies... The fossilization progress would take them away, granted but still, if its true we should see some more on modern day creatures...

Also, Shouldve stated this somewhere, my explanation was for the film, not real a life scenario. 

@x_paden_x

Alrighty then, was a fun debate nonetheless :)

Debates can always be fun as long as people don't go off the deep end ;)

Exactly, fun until someone takes it too far. That's happened many times actually, too many times.