Corrected entry: Even though the film is titled "Jurassic Park", the only dinosaur depicted from the "Jurassic" period was the Brachiosaurus. The T-Rex, Triceratops, Velociraptor, ect were all actually from the "Cretaceous" period which was later. This occurred throughout the whole trilogy.
firemedicwolf7
24th Jul 2012
Correction: So what? Maybe it just sounds better.
LorgSkyegon