| details |
Early Valanginian |
Middle Valanginian |
USSR(Yakut ASSR) |
Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. |
1958 |
| details |
Early Cretaceous |
|
China(Szechwan) |
Zhang,C.B. Spore-pollen complexes of Lower Cretaceous deposits of district of Dyuyzhun, Province Tszyansu. |
1962 |
| details |
Early Cretaceous |
|
China(Szechwan) |
Chun-Bin,C. The spore and pollen complex of the Lower Cretaceous of the Duizhun District, Tsiansu Province |
1962 |
| details |
Late Jurassic |
|
USSR(Yakut ASSR) |
Vasilevskaya,N.D. et al. The question of the systematic positon of the Jurassic fern Raphalia. |
1967 |