Hot Blooded Dinosaurs. It included a Velociraptor attacking a Protoceratops , [] providing evidence that dinosaurs did indeed attack each other.

Giant prehistoric mammals such as Paraceratherium the largest land mammal ever were dwarfed by the giant sauropods, and only modern whales approach or surpass them in size. Pridoli

Caviramus Raeticodactylus. The longest complete dinosaur is the 27 meters 89 feet long Diplodocus , which was discovered in Wyoming in the United States and displayed in Pittsburgh's Carnegie Natural History Museum in