Dinosaur Timeline

Eras

540000000 BC - 252000000 bc
252000000 bc - 66000000 bc
66000000 bc - 2013

Paleozoic

540000000 BC - 485000000 BC
485000000 bc - 443000000 bc
443000000 bc - 419000000 bc
419000000 bc - 359000000 bc
298000000 bc - 252000000 bc

Mesozoic

252000000 bc - 201000000 bc
201000000 bc - 145000000 bc
201000000 bc - 145000000 bc
145000000 bc - 66000000 bc

Cenozoic