-
Period: 541 BCE to 252 BCE
ERA PALEOZOICA
-
Period: 541 BCE to 485 BCE
Cambrian
many marine invertebrates with external skeletons (arthropods) -
Period: 485 BCE to 444 BCE
Ordovician
widespread marine algae, fish without jaws -
460 BCE
widespread marine algae, fish without jaws
-
460 BCE
many marine invertebrates with external skeletons (arthropods)
-
Period: 444 BCE to 419 BCE
Silurian
first land plants -
430 BCE
first land plants
-
Period: 419 BCE to 359 BCE
Devonian
fish diversify, first amphibians -
370 BCE
fish diversify, first amphibians
-
Period: 359 BCE to 299 BCE
Carboniferous
forestsof giant ferns, first reptiles -
320 BCE
forestsof giant ferns, first reptiles
-
Period: 299 BCE to 252 BCE
Permian
reptiles diversify -
270 BCE
reptiles diversify
-
Period: 252 BCE to 66 BCE
ERA MESOZOICA
-
Period: 252 BCE to 201 BCE
Triassic
first dinosaurs, first mammals -
220 BCE
first dinosaurs, first mammals
-
Period: 201 BCE to 145 BCE
Jurassic
gymnosperm plants dominate the Earth surface, dinosaurs diversify, first birds -
170 BCE
gymnosperm plants dominate the Earth surface, dinosaurs diversify, first birds
-
Period: 145 BCE to 66 BCE
Cretaceous
first plants with flowers, extinction of dinosaurs and ammonites -
100 BCE
first plants with flowers, extinction of dinosaurs and ammonites
-
Period: 66 BCE to 2 BCE
Tertiary
development and diversification of mammals, -
20 BCE
development and diversification of mammals,
-
Period: 2 BCE to 10
Quaternary
development and diversification of mammals -
1 BCE
development and diversification of mammals
-
Period: 66 to 2
ERA CENOZOICA