For starters, not even the largest of (discovered) dinosaurs even approach Godzilla's 300+ foot height. There's no way to test this theory, but I'm guessing no dinosaurs breathed colorful fire ...

Well, energy beams aside, Godzilla is actually even more unrealistic than you might think. Now, Earth is no stranger to enormous animals. Just look at the largest dinosaur, the titanosaurs ...

indicating that the sheer scale of the dinosaurs at the movie's center will play a massive role. Some of the largest shown in the trailer are so big they conjure the kaiju of Godzilla's cinematic ...

Well, energy beams aside, Godzilla is actually even more unrealistic than you might think. Now, Earth is no stranger to enormous animals. Just look at the largest dinosaur, the titanosaurs ...