User:Abyssal/Prehistory of South America/DYK/20
- ... that the recently-discovered dinosaur Austroraptor is the largest dromaeosaur to have been found in the Southern Hemisphere?
- ...that Antarctosaurus was one of the largest dinosaurs ever to live in South America?
- ... that Pisanosaurus, from 228 to 216.5 million years ago, is the oldest known ornithischian dinosaur?