Why did they not include the Spinosaurus in Jurassic World?

You mean appearing as one of the main dinos on-screen? Because... plot convenience. I mean, there are two major possibilities hinting to this idea: 1. read more

In Jurassic Park 3, the filmmakers decided that T-Rex had his run, and it was time to introduce a new lead dinosaur. This new dinosaur came in the form of Spinosaurus. To cement the fact that Spinosaurus was bigger and badder than T-Rex, they had the Spinosaurus fight and kill a Tyrannosaurus. read more

Jurassic World premiered in theaters this past weekend and dominated the box office. Part of the fun was seeing all the small Easter eggs director and Jurassic Park love Colin Trevorrow hid in the film. You may have pinpointed a few yourself, but there’s one reference to Jurassic Park 3 that Trevorrow thinks only diehard fans will see. read more