| details |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
Early Allegheny |
Michigan |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Late Dinantian |
Westphalian D |
Europe |
Brzozowska,M. et al. Remarks on stratigraphical range of some types of Carboniferous megaspores |
1958 |
| details |
Late Devonian |
|
Arctic Ocean |
Sen,J. On the megaspores described by Nathorst from the Upper Devonian of Bear Island. |
1958 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Early Pennsylvanian |
|
Indiana |
Wood,J.M. The morphology and relationships of Sigillarian fructifications from the Lower Pennsylvanian of Indiana. |
1957 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| details |
Dinantian |
Westphalian A |
Poland |
Zoldani,Z. Megaspores from the north-eastern part of the Upper Silesian Coal Basin. (In: Contributions to the Geology of the Silesian and Cracovian Regions.) |
1960 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Carboniferous |
|
W.Germany(Saarland) |
Sen,J. Notes on the spores of four Carboniferous Lycopods |
1958 |
| details |
Carboniferous |
|
France |
Sen,J. Notes on the spores of four Carboniferous Lycopods |
1958 |
| details |
Carboniferous |
Permian |
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Note on palynological research in the Permo-Carboniferous Basins of Bohemia. |
1955 |
| details |
Carboniferous |
|
Germany |
Horst,U. From the stratigraphy to fine-stratigraphy of Middle German Brown and Hard Coals. |
1952 |
| details |
Carboniferous |
|
Michigan |
Arnold,C.A. An Introduction to Paleobotany. |
1947 |
| details |
Carboniferous |
|
Michigan |
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 |
| original |
Carboniferous |
|
Michigan |
Bartlett,H.H. Fossils of the Carboniferous Coal Pebbles of the Glacial Drift at Ann Arbor. |
1928 |