Saurus is the Greek for lizard, which is why the dinosaurs were named after them. Tyrannosaurus=tyrant lizard, and the Rex is the king of them. Brontosaurus is Thunder lizard. The plural Sauria forms the sub-order of lizards under the reptile
Saurus is the Greek for lizard, which is why the dinosaurs were named after them. Tyrannosaurus=tyrant lizard, and the Rex is the king of them. Brontosaurus is Thunder lizard. The plural Sauria forms the sub-order of lizards under the reptile