| original |
Middle Jurassic |
|
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Triassic |
|
India(West Bengal) |
Tiwari,R.S. et al. Miofloral transition at Raniganj-Panchet boundry in East Raniganj Coalfield and its implication on Permo-Triassic time boundary |
1983 |
| details |
Late Hauterivian |
|
Mongolian Republic |
Boyshenko,A.F. Geology of Suke-Bator and Dugum-Goli Depressions in eastern Mongolia. |
1988 |