-
Period: 2578 BCE to 1481
precambrian time
-
Period: 1481 to 1537
cambrian
541 to 485 -
Period: 1481 to
paleozoic
-
1483
Cambrian period animals
-
Period: 1537 to 1578
ordovician
485 to 444 -
1538
Ordovician period animals
-
Period: 1578 to
Silurian
444 to 419 mya -
1579
Silurian period animals
-
Period: to
devonian
419 to 359 mya -
Devonian period animals
-
Period: to
carboniferous
359 to 299 mya -
carboniferous period animals
-
Period: to
permian
299 to 252 mya -
permian period animals
-
Period: to
Triassic
252 to 201 mya -
Triassic period animal
-
Period: to
jurassic
201 to 145 mya -
Jurassic period animal
-
cretaceous period animals
-
Period: to
cretaceous
145 mya to 66 mya -
paleogene period animal
-
Period: to
paleogene
66 to 23 mya -
Period: to
neogene period
23 to 2.58 mya -
neogene period animal
-
Period: to
quaternary period
2.58 mya to present -
Quaternary Animal
