Era
Jurassic
12
Triassic
4
Tertiary
3
Carboniferous
2
Cretaceous
2
Devonian
2
(1611-1687)
1
(1652-1723)
1
(1697-1753)
1
(1707-1783)
1
(1753-1814;
1
(1758-1840)
1
(1784-1846)
1
(1788-1877)
1
(1789-1869)
1
(1795-1876)
1
(1803-1873;
1
(1804-1891)
1
1790-1799
1
17th century
1
1801-1860
1
18e siècle
1
18th century
1
19e siècle
1
19th Cent
1
19th century
1
Germany (East)
1
Silurian
1