What is the biggest dinosaur?
Well, the biggest herbivore is a tie between the Argentinosaurus & the Sauroposeidon. The biggest carnivore is the Spinoraurus. The biggest pterosaur is the Quetzalcoatlus. The biggest plesiosaur is the Liopleurodon. What is the smallest dinosaur? Well, the smallest herbivore a tie between the Microceratops. The smallest carnivore is the Microraptor. The smallest aquatic reptile is the Lariosaurus. Are any descendants of dinosaurs living today? Yes, birds descended from the two-legged carnivores, theropods. Were there any flying reptiles? No. Pterasaurs are not considered dinosaurs. They lived alongside dinosaurs, but were not considered dinosaurs or birds. When did dinosaurs become extinct? About 65,000,000 years ago, dinosaurs died out. Why? Scientists think that it had to do with an asteroid impacting the earth, volcanoes erupting and polluting the air, a drastic change in the climate., firestorms that devestated plantlife, and tsunamis swamping the land. Or not. There is disagreeme