| details |
Early Jurassic |
|
USSR(Ukrainian SSR) |
Shvaiberov,S.K. Lower Jurassic presence in the northwestern part of the Ukraini Crystalline Shield |
1989 |
| details |
Nd |
|
Nd |
Jarzen,D.M. et al. Pollen. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Friis,E.M. et al. In situ, pollen and spores in plant evolution. Chapter 14B angiosperm pollen in situ, in Cretaceous reproductive organs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |