| details |
Late Oligocene |
|
Austria |
Klaus,W. Shape and preservation of fossil pollen grains in Coprolites and Phosphorites. |
1971 |
| details |
Miocene |
Early Pliocene |
Europe |
Boulter,M.C. Tertiary. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Middle Miocene |
|
Denmark |
Koch,B.E. The pollen-stratigraphy of the Miocene Brown Coal bearing Formation of Central Jutland (Denmark). (In: Reports of the Workgroup for Paleobotany and Palynology 1983-1985. F.Schaarschmidt, editor) |
1986 |