| Million years ago |
 |
Proportional Earth and Life History Timeline
Formation
of the earth
Formation
of the moon
Oldest known
mineral
HADEAN
PRECAMBRIAN
| Events |
|
| Era |
|
| Eon |
|
| Super eon |
|
First
apples
First
bovids
Cat and dog
ancestors
diverge
Whales return to the sea
First
horses
Modern
sharks
Early sharks
Flying
reptiles
Large
aquatic
reptiles
Homo
sapiens
Chimpanzees
and humans
diverge
T. Rex appears
and goes
extinct
First
turtles
First
primates
First marsupial and placental mammals
First
mammals
Mammalian
reptiles
Bird ancestors
The reign of the dinosaurs
First dinosaurs
First reptiles
First eggs
First flowers
First
seeds
Early amphibians
with limbs
First flying insects
First insects
First leaves
First trees
First spores indicate
early terrestrial plants
The mother-fish;
first viviparous vertebrate
Jawed fish
Jawless fish
Early fish are first vertebrates
Mass extinctions Mass extinctions Mass extinctions
The Ediacaran fauna;
complex multi-cellular
soft aquatic animals
First multi-cellular organisms;
red algae?
NEOPROTEROZOIC
MESOPROTEROZOIC
PALEOPROTEROZOIC
NEOARCHEAN
MESOARCHEAN
PALEOARCHEAN
EOARCHEAN
Explosion of lifeforms;
solid and mobile aquatic
animals with eyes
Filamentous photosynthetic
bacteria microfossils
Great oxygenation event
caused by cyanobacteria
Snowball earth
Snowball earth
Eukaryote
cells appear
Fragmentation of supercontinent Pangea
Formation of
supercontinent
Pangea
Fragmentation of supercontinent Pannotia
Formation of
supercontinent Pannotia
Fragmentation of
supercontinent Rodinia
Formation of
supercontinent
Rodinia
Fragmentation of
supercontinent
Columbia
Formation of
supercontinent
Columbia
Fragmentation of supercontinent Kernorland
Formation of
supercontinent
Kernorland
Late heavy meteorite bombardment
Fragmentation of
supercontinent
Vaalbara
Formation of
supercontinent
Vaalbara
Stromatolites of
bacterial origin
Q
NEOGENE
PALEOGENE
CRETACEOUS
JURASSIC
TRIASSIC
PERMIAN
CARBONIFEROUS
DEVONIAN
SILURIAN
ORDOVICIAN
CAMBRIAN
| Period |
|
| Era |
|
CENOZOIC
MESOZOIC
PALEOZOIC
PROTEROZOIC
ARCHEAN
| Eon |
|
PHANEROZOIC
● Based on recent scientific knowledge and theories