| 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 |
Westphalian B |
|
England(Leicestershire) |
Scott,A.C. et al. Megaspores and Coal Facies: An example from the Westphalian B, Leicestershire. |
1980 |
| details |
Nd |
|
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Pennsylvanian |
|
Europe |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Pennsylvanian |
|
Gondwanaland |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| 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 |
Visean |
|
Scotland(E.Lothian) |
Spinner,E. Megaspore assemblages from Visean deposits at Dunbar, East Lothian, Scotland. |
1969 |
| details |
Visean |
|
Scotland(E.Lothian) |
Spinner,E. Megaspore assemblages from Visean deposits at Dunbar, East Lothian, Scotland. |
1969 |
| details |
Pennsylvanian |
|
USA(Mid-Continent) |
Taylor,W.A. Comparative analysis of megaspore ultrastructure in Pennsylvanian Lycophytes |
1990 |