| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Early Westphalian A |
|
Poland |
GŠ³recka,T. Stratigraphy of the Bialy Kamien Beds in the northwestern part of the Intra-Sudetic Trough on the Ground of palynological research. (In: Geological research in the Lower Silesian Region) |
1969 |
| details |
Chesterian |
|
Canada(NWT) |
Sullivan,H.J. Palynological evidence concerning the regional differentiation of Upper Mississippian floras |
1965 |
| original |
Chesterian |
|
Canada(Alberta) |
Staplin,F.L. Upper Mississippian plant spores from the Golata Formation, Alberta, Canada. |
1960 |