The dinosaur is the name of ancient animals in the overall rankings. Which used to dominate the ecosystem on the earth in the Mesozoic. For a long time to 165 million years before going extinct. When 65 million years ago.But in fact the dinosaurs as the animals in the number one with the borderline between reptiles and birds
.The dinosaur was established by Sir Richard Owen paleontologist British, which is a mixture of words in the Greek words is. " Deinos (large and formidable) and 'sauros (reptiles) many people misunderstand that dinosaurs.But actually, the dinosaurs are animals that live on the ground only
.Although the dinosaurs are extinct for several million years. But the word dinosaur is also known widely.