Era
1627-1705
1
1638-1686
1
1638?-1712
1
1639-1700
1
1665-1728
1
1666-1727
1
1667?-1719
1
1700-1899
1
1700-1999
1
1741-1827
1
1799-1847
1
1800-1899
2
1810 or 1811-1889
3
1818-1891
1
1831-1899
2
1835-1919
2
1840-1897
2
1884-1960
1
18th century
3
1900-1999
2
1903-1972
1
1928-
1
1942-
1
1957-
1
1970-2000
1
19th century
12
2020-2040
1
20th century
6
Cambrian
19
Carboniferous
22
Cenozoic
29
Cretaceous
97
Devonian
28
Eocene
26
From 10 thousand to 2 million years ago
21
From 10 thousand to 25 million years ago
1
From 10 thousand to 65 million years ago
1
From 10 thousand years ago
1
From 10 to 25 million years ago
15
From 10 to 40 million years ago
3
From 140 to 190 million years ago
24
From 140 to 230 million years ago
1
From 190 to 230 million years ago
9
From 2 million years ago
3
From 2 to 10 million years ago
6
From 2 to 140 million years ago
3
From 2 to 25 million years ago
8
From 2 to 65 million years ago
23
From 230 to 280 million years ago
6
From 230 to 310 million years ago
1
more ...