| details |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Westphalian C |
Westphalian D |
Netherlands |
Dijkstra,S.J. The megaspores of the Westphalian D and C. |
1955 |
| details |
Westphalian |
|
Netherlands |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian B |
|
Netherlands |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Examples of the natural system of spores, a supplement to the synopsis of the Sporae in situ, 1963 and the research reports from 1965,1967, and 1970 and to the phylogenetic sporolog 1973 |
1975 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| original |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| original |
Late Pottsville |
Monongahela |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Middle Pennsylvanian |
|
Kansas |
Schlanker,C.M. et al. The Herbaceous Carboniferous Lycopod, Selaginella fraiponti, comb.nov. |
1969 |
| details |
Desmoinesian |
|
Kansas |
Hoskins,J.H. et al. Selaginellites crassicinctus, a new species from the Desmoinesian Series of Kansas. |
1956 |
| details |
Westphalian B |
|
Indiana |
Guennel,G.K. An interesting megaspore species found in Indiana Block Coal |
1954 |
| details |
Early Permian |
|
India(Madhya Pradesh) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Late Permian |
|
India(Madhya Pradesh) |
Tripathi,B. A note on megaspores from Lower Gondwana Coal of Umaria Coalfield, Dist. Sahdol (Vindhya Pradesh). |
1952 |
| details |
Early Pennsylvanian |
Late Pennsylvanian |
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |