-
Period: 252 BCE to 541 BCE
Era paleozoica
Permian, Carboniferous ,devonian, silurian, ordovician, cambrian -
Period: 66 BCE to 252 BCE
Era Mesozoica
Cretaceous, Jurassic, triassic -
Period: 2 BCE to 66 BCE
Era Cenozoica
Quaternary, tertiary