details |
Westphalian A |
Westphalian B |
Scotland(Ayr) |
Sen,J. The megaspores of the Ayrshire Coalfield and their stratigraphic value. |
1964 |
details |
Desmoinesian |
|
Oklahoma |
Dempsey,J.E. A palynological investigation of the Lower and Upper Mcalester Coals (Pennsylvanian) of Oklahoma. |
1964 |
details |
Westphalian D |
|
England(Gloucestershire) |
Spinner,E. Westphalian D megaspores from the Forest of Dean Coalfield, England. |
1965 |
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 |
Nd |
|
Nd |
Brack,S.D. On a newstructurally preserved arborescent Lycopsid fructification from the Lower Pennsylvanian of North Ameica. |
1970 |
details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
details |
Late Carboniferous |
|
France(Rhin,Bas) |
Lachkar,G. Megaspores of the Saar-Lorraine Coal Basin. a systematic study and statistical application to the Upper Carboniferous stratigraphy. |
1975 |
details |
Late Carboniferous |
|
W.Germany(Saarland) |
Lachkar,G. Megaspores of the Saar-Lorraine Coal Basin. a systematic study and statistical application to the Upper Carboniferous stratigraphy. |
1975 |
details |
Namurian A |
Westphalian D |
Germany |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
details |
Westphalian C |
Westphalian D |
Illinois |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
details |
Westphalian A |
Westphalian B |
Kentucky |
Stubblefield,S.P. et al. Fungal remains in the lycopod megaspore Triletes rugosus (Loose) Schopf. |
1984 |
details |
Early Cretaceous |
|
India(Andhra Pradesh) |
Venkatachala,B.S. et al. Stratigraphic implication of Late Gondwana floras in the east coast. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |