Geological Time Table

  PeriodMillions of Years AgoLife Forms
P
H
A
N
E
R
O
Z
O
I
C
CeneozoicQuaternaryHolocene10,000 years agoMan, flourishing of mammals,
Ice Age
Pleistocene2.6
TertiaryPliocene5-2.5First hominids, horses, caninetapirs, rodents
Miocene23-5
Oligocene33-23
Eocene54-33
Paleocene65-24
MesozoicCretaceous 146-65marine invertebrates, marsupials, pterosaurs
Jurassic 208-146Suaropods, birds, flowering plants
Triassic 248-248First mammals, turtles, ichtyosaur, first dinosaurs, flying reptiles
PaleozoicPermian 280-248More abundance of amphibians and reptiles
Pennsylvanian (Carboniferous) 325-280First reptiles, ferns, cockroaches
Mississippian 360-325First winged insects
Devonian 408-360Fish, sharks, first amphibians, and land plants
Silurian 438-408First jawed fishes, first insects, first plants
Ordovician 505-438First primitive plants, corals, fungi, primitive fish
Cambrian 575-500Trilobites,mollusks, brachiopods, algae
pre cambrianProterozoicLate Pre-Cambrian 575 
ArcheozoicEarly Pre-cambrian 2500 
 
 
About The Author

Matt Slick is the President and Founder of the Christian Apologetics and Research Ministry.