Perhaps, but one big problem is the rocket equation: dinosaurs are generally very large compared to humans, so they'd need huge spaceships to carry them, and as

Perhaps, but one big problem is the rocket equation: dinosaurs are generally very large compared to humans, so they'd need huge spaceships to carry them, and as we know, the rocket equation means you need far more fuel to lift an amount of mass to orbit. Perhaps only some smaller species of dinosaur evolved into an intelligent civilization.