Era
- 19th century 44 results
- 20th century 30 results
- Cretaceous 8 results
- 21st century 7 results
- 1831-1911 6 results
- 1825-1898 3 results
- 1861-1956 3 results
- Eocene 3 results
- Holocene 3 results
- Quaternary 3 results
- Tertiary 3 results
- 1118?-1170 2 results
- 1804-1893 2 results
- 1815-1854 2 results
- 1817-1851 2 results
- 1818-1896 2 results
- 1825-1866 2 results
- 1825-1881 2 results
- 1840-1853 2 results
- 1878-1947 2 results
- 1908-1976 2 results
- 1918-1945 2 results
- 1920- 2 results
- 1922- 2 results
- 1926- 2 results
- 1929- 2 results
- 1937- 2 results
- 1940- 2 results
- Cenozoic 2 results
- Miocene 2 results
- Oligocene 2 results
- 1801-1860 1 results
- 1806-1867 1 results
- 1807-1875 1 results
- 1809-1876 1 results
- 1812-1905 1 results
- 1814-1861 1 results
- 1818-1904 1 results
- 1820-1854 1 results
- 1820-1891 1 results
- 1820-1892 1 results
- 1821-1907 1 results
- 1823-1905 1 results
- 1827-1918 1 results
- 1828-1901 1 results
- 1831-1925 1 results
- 1832-1911 1 results
- 1834-1900? 1 results
- 1834-1916 1 results
- 1835-1899 1 results more…