| details |
Early Gondwana |
|
Argentina(La Rioja) |
Spinner,E. Preliminary study of the megaspores from the Tupe Formation, Quebrada del Tupe, La Rioja, Argentina. |
1969 |
| details |
Frasnian |
|
Canada |
Maihle,N.J. et al. A morphological and ultrastructural study of four Devonian megaspores |
1979 |
| details |
Late Devonian |
|
Canada(NWT,Franklin) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
England |
Mortimer,M.G. The palynology of some Early Carboniferous rocks in the East Midlands, England. |
1971 |
| details |
Westphalian B |
|
England(Leicestershire) |
Scott,A.C. et al. Megaspores and Coal Facies: An example from the Westphalian B, Leicestershire. |
1980 |
| details |
Westphalian B |
|
England(Yorkshire) |
Bartram,K.M. Studies on the ecology of British Carboniferous coal swamps. |
1983 |
| details |
Carboniferous |
|
Europe |
Oshurkova,M.V. The classification of Carboniferous megaspores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Pennsylvanian |
|
Europe |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Westphalian B |
Stephanian |
France(Lorraine) |
Alpern,B. et al. Can the Lorraine Coalfield provide a stratotype for the Upper Westphalian? |
1967 |
| details |
Westphalian D |
Stephanian |
France(Lorraine) |
Alpern,B. et al. Palynologic zonation of the Carboniferous Basin of Lorraine. |
1966 |
| details |
Westphalian D |
Early Stephanian |
France(Lorraine) |
Lachkar,G. et al. Distribution of megaspores in the Westphalian D and Lower Stephanian of the Coal Basin of Lorraine |
1965 |
| details |
Pennsylvanian |
|
Gondwanaland |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores characteristic of Illinois Coal No. 6. |
1935 |
| details |
Middle Pennsylvanian |
|
Illinois |
Arnold,C.A. Note on a Lepidophyte strobilus containing large spores, from Braidwood, Illinois. |
1938 |
| details |
Mississippian |
|
Kentucky |
Phillips,T.L. Reproduction of Heterosporous Arborescent Lycopods in the Mississippian-Pennsylvanian of Euramerica. |
1979 |
| details |
Westphalian B |
Westphalian C |
Kentucky |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |