Geologic Time Line

Precambrian Time

Period: 2578 BCE to 1481

4,600 To 541 Mya

Cambrian period

Period: 1481 to 1537

541 to 485 Mya

Paleozoic Era

Period: 1481 to 1770

541 To 252 Mya

Phanerozoic Eon

Period: 1481 to 2022

541 Mya To Present day

Cambrian animal

1499

Cambrian plant life

1510

Ordovician animal

1537

Ordovician period

Period: 1537 to 1578

485 to 444 Mya

Ordovician plant life

1542

Silurian animal

1578

Silurian period

Period: 1578 to 1603

444 to 419 Mya

Silurian plant

1592

Devonian animal

1603

Devonian Period

Period: 1603 to 1663

419 to 359 Mya

Devonian plant

1621

Carboniferous animal

1663

Carboniferous period

Period: 1663 to 1723

359 to 299 Mya

Corbonifrous plant

1689

Triassic period dinosaur

1723

Permian Period

Period: 1723 to 1770

299 to 252 Mya

Triasstic period

Period: 1723 to 1821

252 to 201 Mya

Permian period animal

1741

Permian period plant

1770

Mesozoic era

Period: 1770 to 1956

252 To 66 Mya

Jurassic dinosaur

1821

Triassic period plant

1821

Jurassic period

Period: 1821 to 1877

201 to 145 Mya

cretaceous period plant

1834

Jurassic period plants

1845

Cretaceous period animal

1877

Cretaceous period

Period: 1877 to 1956

145 to 66 Mya

Paleogene animal

1956

Cenozoic Era

Period: 1956 to 2022

66 Mya To present day

Paleogene

Period: 1956 to 1999

66 To 23 Mya

Paleogene plant

1978

Neogene animal

1999

Neogene Period

Period: 1999 to 2019

23 To 2.58 Mya

Neogene plant

2005

Quaternary Period Animal

2019

Quaternary Period

Period: 2019 to 2022

2.58 Mya To Present

Quaternary Period Plant

2021