Era
1809-1882
31
19th century
21
1838-1914
18
18th century
16
19e siècle
12
1800-1899
9
20th century
9
Triassic
8
16th century
5
1720-1793
5
1785-1851
5
1948-
5
Permian
5
1683-1749
4
1886-1948
4
Cretaceous
4
1739-1823
3
1807-1873
3
1837-1921
3
1904-2004
3
1914-1969
3
1946-
3
Jurassic
3
Paleocene
3
Pleistocene
3
1650-1692
2
1699-1777
2
1707-1778
2
1707-1788
2
17th century
2
1813-1894
2
1823-1913
2
1835-1910
2
1858-1919
2
1867-1952
2
1872-1941
2
1889-1963
2
1899-
2
1899-1980
2
1940-
2
1944-
2
1951-
2
20e siècle
2
Cenozoic
2
Mesozoic
2
Pennsylvanian
2
(1707-1778)
1
(1744-1829)
1
(1782-1865)
1
(1785-1851)
1
more ...