Geologic Time Project

Events

precambrian era

4,560,000,000 B.C - 542,000,000 B.C.

paleozoic era

542,000,000 BC - 251,000,000 BC

Cambrian era

542,000,000 BC - 488,000,000 BC

ordovician era

488,000,000 BC - 444,000,000 BC

silurian era

444,000,000 BC - 416,000,000 BC

devonian era

416,000,000 BC - 359,000,000 BC

triassic era

251,000,000 BC - 200,000,000

mesozoic era

251000000 bc - 65,000,000 BC

jurassic era

200,000,000 bc - 145,000,000 bc

cretaceous era

145,000,000 b.c. - 65,000,000 b.c.

cenozoic era

65,000,000 BC - Present