| details |
Namurian B |
Westphalian A |
Poland |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Namurian B |
Westphalian A |
Poland |
Butterworth,M.A. et al. Densosporites Berry 1937 and related genera. |
1963 |
| details |
Visean |
Stephanian |
Europe |
Butterworth,M.A. Densosporites (Berry) Potonie and Kremp, and related genera. Report of CIMP Working Group No.2 |
1964 |
| details |
Visean |
Stephanian |
Turkey |
Butterworth,M.A. Densosporites (Berry) Potonie and Kremp, and related genera. Report of CIMP Working Group No.2 |
1964 |
| details |
Visean |
Stephanian |
USA |
Butterworth,M.A. Densosporites (Berry) Potonie and Kremp, and related genera. Report of CIMP Working Group No.2 |
1964 |
| 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 |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Late Namurian |
Westphalian |
Poland |
Jachowicz,A. A microfloristic description and stratigraphy of the productive Carboniferous of the Upper Silesian Coal Basin. |
1972 |
| details |
Namurian |
Westphalian A |
Poland |
Jachowicz,A. A microfloristic description and stratigraphy of the productive Carboniferous of the Upper Silesian Coal Basin. |
1972 |
| details |
Atokan |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |