| details |
Westphalian B |
Westphalian D |
Poland |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
| details |
Westphalian B |
Westphalian D |
Poland |
DybovЎ,S. et al. Microspore zones in Upper Silesian productive Carboniferous. |
1957 |
| details |
Westphalian A |
|
Poland |
Jachowicz,A. Palynological investigations of the Upper Carboni Ferous in the Polish Part of the Upper Silesia Coal Basin |
1967 |
| details |
Nd |
|
Nd |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Namurian B |
Westphalian A |
Iowa |
Ravn,R.L. et al. A Morrowan, (Upper Carboniferous), miospore flora from eastern Iowa, USA. |
1982 |
| details |
Stephanian B |
Stephanian C |
Poland |
DybovЎ-Jachowiczowa,S. et al. Stratigraphy of the Carboniferous and Lower Permian in the borehole Strzezewo 1 |
1984 |
| details |
Morrowan |
Early Missourian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |