The geological era during which dinosaurs roamed the Earth, lasting from about 252 to 66 million years ago.

मेसोज़ोइक युग

English Usage: The Mesozoic Era is often referred to as the Age of Reptiles.

Hindi Usage: मेसोज़ोइक युग को अक्सर सरीसृपों का युग कहा जाता है।