| details |
Oligocene |
|
USSR(Pre-Baltic) |
Romanovskaya,G.M. Short description of spores and pollen from Oligocene deposits Pre-Baltic Regions of the USSR. |
1956 |
| original |
Oligocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Stratigraphic significance of pollen grains of Gymnosperms of the Cenozoic deposits of the Pavlodar Pri-Irtish and the northern Pri-Aral. |
1957 |
| details |
Nd |
|
Nd |
Tokunaga,S. Introduction to palynology-A guide Book of pollen analysis. |
1963 |
| details |
Late Oligocene |
Early Miocene |
USSR(Belorussian SSR) |
Manykin,S.S. The main ways of the development of the flora and vegetation of Byelorussia during Late Oligocene and Neogene. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
| details |
Nd |
|
Nd |
Vasanthy,G. et al. The evolution of angiospermid pollen characteristics: Conjectures and Queries. (In: Proceeding of the Symposium on the Vistas in Indian Palaeobotany. K.P.Jain and R.S.Tiwari, editors) |
1990 |
| details |
Recent |
|
England(Yorkshire) |
Kurmann,M.H. Pollen ultrastructure in Elatides williamsonii (Taxodiaceae) from the Jurassic of North Yorkshire. |
1991 |
| details |
Nd |
|
Nd |
Rowley,J.R. In situ, pollen and spores in plant evolution. 14D -Exine origin, development and structure in Pteridophytes, Gymnosperms and angiosperms. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |