The Jurassic Park and Jurassic World movies brought dinosaurs to life on the big screen like never before, but thankfully, InGen never tried to clone these terrifying extinct creatures. By now, it's accepted that times change and evolution has produced an unimaginable menagerie of lifeforms over Earth's 4.5 billion-year history. While the Jurassic Park and Jurassic World series has hosted a slew of extinct animals in its surrounding media, were some of these animals portrayed in the movies, it'd be the stuff of nightmares.
Source：https://www.cbr.com/terrifying-jurassic-park-creatures-never-cloned/
