| original |
Early Mississippian |
|
Ohio |
Winslow,M.R. Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio |
1962 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| details |
Coal Measure |
|
England(Yorkshire) |
Chaloner,W.G. A new species of Lepidostrobus containing unusual spores. |
1953 |
| details |
Coal Measure |
|
Scotland(Ayr) |
Chaloner,W.G. A new species of Lepidostrobus containing unusual spores. |
1953 |
| details |
Nd |
|
Nd |
Lachkar,G. New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. |
1968 |
| original |
Stephanian B |
|
Czechoslovakia |
Zerndt,J. Megaspores from the Westphalian and Stephanian in Bohemia. |
1937 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Carboniferous |
|
W.Germany(Saarland) |
Sen,J. Notes on the megaspores from the Goldenberg Col Lection of the Swedish Museum of natural history |
1957 |
| details |
Nd |
|
France(Saone-et-Loire) |
Pi©rart,P. Some megaspores from the Stephanian Coal of the Blanzy and Decazeville Basins. |
1955 |
| details |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Westphalian |
|
W.Germany(Saarland) |
Zerndt,J. Megaspores of the Saar Carboniferous |
1940 |
| details |
Westphalian |
|
W.Germany(Saarland) |
Zerndt,J. Megaspores of the Saar Carboniferous |
1940 |
| details |
Westphalian D |
|
England(Gloucestershire) |
Wagner,R.H. et al. The stratigraphic implications of the Westphalian D, macro and microflora of the Forest of Dean Coalfield, (Gloucestershire), England. |
1972 |
| details |
Early Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
| details |
Westphalian C |
|
Czechoslovakia |
KalibovЎ,M. Valvisisporites (Ibrahim 1933) Potonie and Kremp,1954, (Triletes auritus (Zerndt 1930, Type 11 Zerndt), and its species in the Bohemia Permo - Carboniferous. |
1959 |
| details |
Liassic |
|
Poland |
Marcinkiewicz,T. Megaspores of the Lias from Praszka, Zawiercie, and the Swiety Krzyz Mountains. |
1957 |