Around 65 million years ago, a giant asteroid collided with Earth and set in motion a chain of events that led to the extinction of dinosaurs. [Before this cataclysmic event, dinosaurs had roamed and ruled the world for around 165 million years](https://www.usgs.gov/faqs/when-did-dinosaurs-become-extinct?qt-news_science_products=0#qt-news_science_products). These impressive creatures, all coming in different shapes