| details |
Late Pottsville |
Monongahela |
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Early Carboniferous |
|
USSR(Moscow Basin) |
Dijkstra,S.J. et al. Lower Carboniferous megaspores from the Moscow Basin. |
1957 |
| details |
Pennsylvanian |
|
USA(Mid-Continent) |
Taylor,W.A. Comparative analysis of megaspore ultrastructure in Pennsylvanian Lycophytes |
1990 |
| details |
Permian |
|
Turkey |
Yahsiman,K. et al. Permian megaspores from Hazru (Diyarbakir). |
1959 |
| details |
Visean |
|
Scotland(E.Lothian) |
Spinner,E. Megaspore assemblages from Visean deposits at Dunbar, East Lothian, Scotland. |
1969 |
| details |
Namurian A |
Westphalian B |
Scotland(Ayr) |
Sen,J. The megaspores of the Ayrshire Coalfield and their stratigraphic value. |
1964 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Namurian B |
Westphalian |
Poland |
Dembowski,Z. Stratigraphic section of Carboniferous deposits in the central part of the main Trough in the light of recent researches (Upper Silesia) |
1964 |
| details |
Westphalian A |
|
Poland |
Karczewska,J. Carboniferous spores from the Chelmi Boring (Eastern Poland). |
1967 |
| details |
Namurian A |
|
Poland |
Thomas,B.A. et al. A re-examination of Cantheliophorus, Bassler. |
1991 |
| details |
Pennsylvanian |
|
Ohio |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |
| details |
Westphalian B |
|
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Nd |
|
Nd |
Hemsley,A.R. Teratisms in living and fossil megaspores of the Lycopsidia: The arrangement and exine Ontogeny |
1997 |
| details |
Carboniferous |
|
Nd |
Roselt,G. Palaobotanic and palaobotanical method and geological investigation. |
1972 |
| original |
Late Pottsville |
Monongahela |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Pottsville |
|
Kentucky |
Brack-Hanes,S.D. On a Lycopsid cone with Winged spores |
1981 |
| details |
Permian |
|
India(Uttar Pradesh) |
Trivedi,B.S. Megaspores and other plant remains from Lower Gondwana of Singrauli Coalfield, District Mirzapur, Uttar Pradesh. |
1953 |