Época
Cretaceous
4
Cambrian
3
Neogene
3
Paleozoic
3
Carboniferous
2
Miocene
2
Quaternary
2
1801-1847
1
1801-1848
1
1802-1889,
1
1805-1877
1
1820-1895
1
1841-1922
1
18th century
1
20th century
1
Cenozoic
1
Holocene
1
Holoceno
1
Ordovician
1
Ordovícico
1
Pleistocene
1
Pliocene
1
Plioceno
1
Proterozoic
1
Tertiary
1