| 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 |
Namurian B |
Westphalian A |
Poland |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Late Visean |
Westphalian D |
Turkey |
Agrali,B. et al. Study of the microspores of the Carboniferous Basin of Amasra (1-2). |
1969 |