While the third Jurassic Park movie contained some exciting dinosaurs that viewers barely got to see, the star of Jurassic Park III (and the new skeleton on the logo) was the semi-aquatic Spinosaurus.

Paleontologist Dave Hone rates the realism of every "Jurassic Park" movie. He talks about how the ... and moved around on land in "Jurassic Park III," starring William H. Macy.