details |
Middle Pennsylvanian |
|
Virginia |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
details |
Middle Pennsylvanian |
|
Illinois |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
details |
Early Westphalian A |
|
Spain |
Loboziak,S. Systematics and biostratigraphy of the Carboniferous megaspores of Mount Santo Firme, (Cantabrica Cordillera, Spain). |
1987 |
details |
Westphalian A |
Early Westphalian C |
Belgium |
Paproth,E. et al. Bio and lithostratigraphic subdivisions of the Silesian in Belgium, a review |
1983 |
details |
Early Pennsylvanian |
|
Illinois |
Leary,R.L. et al. Porostrobus from the Early Pennsylvanian of the Illinois Basin |
1984 |
details |
Westphalian B |
|
W.Germany(Rhineland) |
Moller,G.W. Microfloristic and micropetrographic investigation from the Middle Alsdorfer Beds, (Layer 10-17) of the Emil Mayrisch Ravine in Aachener Coal Seam. (In: The Geology of Northwestern German Coal Beds.) |
1966 |
details |
Late Westphalian B |
Westphalian C |
France(Paris Basin) |
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 |