| details |
Westphalian B |
Westphalian D |
Turkey |
Agrali,B. Stratigraphic value of the genera Densisporites and Lycosisporites and their use for the establishment of palynologic subdivisions in the coalmine of Amasra |
1964 |
| details |
Early Westphalian C |
|
France(Pas-de-Calais) |
Laveine,J.P. Contribution to the study of microspores of different layers of the Lower Westphalian C. Palynologic correlation between the groups of a Uchel-Bruay and of Bethune-Noeux. |
1965 |
| details |
Early Westphalian C |
|
France(Pas-de-Calais) |
Coquel,R. Study of the microspores contained in the Steriles of the Lower Westphalian C. palynological correlat Ions between the Bethune-Noeux and the Auchel-Bru Ay Groups |
1966 |
| details |
Early Artinskian |
|
Turkey |
Agrali,B. et al. Palynologic study of the coals of Hazro and estimation of the age of lacustrine horizons of the Permian-Carboniferous. |
1967 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the Bassin Houiller of northern France, stratigraphic applicationsin the study of several boreholes. |
1969 |
| details |
Artinskian |
Early Kungurian |
Turkey |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
| details |
Morrowan |
Desmoinesian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |