| original |
Early Cretaceous |
|
USSR(Omskaya Oblast) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Pleistocene |
|
USSR(Karelian ASSR) |
Soumalainen,T. et al. The Pre-Quaternary microfossil inventory of the Pleistocene Clays Beds at Kaljala, Karelian Isthmus |
1970 |
| details |
Late Hauterivian |
|
Mongolian Republic |
Boyshenko,A.F. Geology of Suke-Bator and Dugum-Goli Depressions in eastern Mongolia. |
1988 |
| details |
Late Jurassic |
|
Louisiana |
Rogers,R. A palynological age determination for the Dorcheat and Hosston Formations; the Jurassic-Cretaceous boundary in northern Louisiana |
1987 |
| details |
Early Cretaceous |
|
USSR(Omskaya Oblast) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| details |
Cretaceous |
Tertiary |
Finland |
Suomalainen,T. et al. Pre-Quaternary microfossils in Clay occurrences of Kaljala on the Karelian Isthmus. |
1970 |