Era
- 1868-1912 59 results
- 1874-1922 55 results
- 1882-1958 21 results
- 20th century 18 results
- Cenozoic 12 results
- 1872-1928 10 results
- 1872-1912 8 results
- Quaternary 8 results
- 1728-1779 7 results
- 1979 5 results
- 1885-1962 4 results
- 1919-2008 4 results
- 1954- 4 results
- Triassic 4 results
- 1790-1842 3 results
- 1867-1936 3 results
- 1869-1928 3 results
- 1917- 3 results
- 1950- 3 results
- Cretaceous 3 results
- Devonian 3 results
- Jurassic 3 results
- Paleozoic 3 results
- Precambrian 3 results
- 1800-1862 2 results
- 1860-1924 2 results
- 1872-1943 2 results
- 1879-1916 2 results
- 1880-1912 2 results
- 1880-1951 2 results
- 1880-1961 2 results
- 1880-1963 2 results
- 1915- 2 results
- 1916- 2 results
- 1925- 2 results
- 1927-1999 2 results
- 1934- 2 results
- 1942- 2 results
- 1944- 2 results
- 1948- 2 results
- 1961- 2 results
- 1962- 2 results
- 19th century 2 results
- 21st century 2 results
- Permian 2 results
- Tertiary 2 results
- d. 1913 2 results
- 1777-1856 1 results
- 1778-1842 1 results
- 1779-1852 1 results more…