| original |
Westphalian A |
Westphalian B |
Turkey |
Yahsiman,K. New Carboniferous megaspores from the Zonguldak and Amasra Coal Basin. |
1959 |
| details |
Nd |
|
Nd |
Selosse,N. Inventory of megaspores of Faisceau de Meuniere (Lower Westphalian B) in the Coal Basin of the North and of Pas-de-Calais. |
1963 |
| details |
Nd |
|
Nd |
Spinner,E. Contribution on the megaspore genus Tuberculatisporites (Ibrahim)Potonie and Kremp,1954. |
1968 |
| details |
Westphalian A |
Westphalian B |
Turkey |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |