| details |
Oligocene |
Middle Miocene |
USSR(Primorsk Kray) |
Bolotnikova,M.D. Spore and pollen assemblages from Tertiary deposits of the Western Shore of the Japanese Sea. |
1979 |
| details |
Early Miocene |
|
USSR(Primorsk Kray) |
Bolotnikova,M.D. Spore and pollen assemblages from Tertiary deposits of the Western Shore of the Japanese Sea. |
1979 |
| details |
Middle Eocene |
|
Tennessee |
Zavada,M.S. et al. Investigations of angiosperms from the Middle Eocene of North America |
1981 |
| 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 |