Timeline of Permian research

This timeline of Permian research is a chronological listing of events in the history of geology and paleontology focused on the study of earth during the span of time lasting from 298.9–252.17 million years ago and the legacies of this period in the rock and fossil records.
19th century.
1828
1854
1855.
1865
1870
1877
1877
1882
1887
1889.
1899
20th century.
1904
1911
1919.
1922
1937
1948