details |
Early Carboniferous |
|
Brazil(Piaui) |
Dolianiti,E. Relationships between the Paleozoic floras of Brazil. |
1972 |
details |
Sakmarian |
|
Brazil |
Kremp,G.O.W. A re-evaluation of global plantgeographic Provinces of the Late Paleozoic. |
1974 |
details |
Carboniferous |
|
Nd |
Potonie,R. The biology of Carboniferous spores |
1955 |
details |
Carboniferous |
|
Europe |
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 |
details |
Visean |
|
Scotland(E.Lothian) |
Spinner,E. Megaspore assemblages from Visean deposits at Dunbar, East Lothian, Scotland. |
1969 |
details |
Early Pennsylvanian |
|
Illinois |
Leary,R.L. et al. Porostrobgus nathorstii sp.nov.; A new species of Lycopsid cone from the Early Pennsylvanian of Illinois. |
1989 |
details |
Late Visean |
Westphalian D |
Poland |
Jachowicz,A. Palynological investigations of the Upper Carboni Ferous in the Polish Part of the Upper Silesia Coal Basin |
1967 |
details |
Late Carboniferous |
Early Permian |
|
Rocha-Campos,A.C. The Tubarao Group in the Brazilian portion of the Parana Basin. (In: Problems in Brazilian Gondwana Geology. J.J.Bigarella, R.D.Becker and I.D.Pinto, editors) |
1967 |
details |
Westphalian B |
|
England(Yorkshire) |
Bartram,K.M. Studies on the ecology of British Carboniferous coal swamps. |
1983 |
details |
Stephanian |
|
Nd |
DybovЎ-Jachowiczowa,S. et al. Preliminary note on revision of Carboniferous megaspores with Gula. Principles of the classification. |
1979 |
details |
Late Devonian |
Westphalian C |
Nd |
DybovЎ-Jachowiczowa,S. et al. Preliminary note on revision of Carboniferous megaspores with Gula. Principles of the classification. |
1979 |
details |
Late Devonian |
|
Brazil(Goias) |
Sommer,F.W. Devonian microfossils from Aragarcas, Goias. |
1963 |
details |
Westphalian B |
|
England(Leicestershire) |
Scott,A.C. et al. Megaspores and Coal Facies: An example from the Westphalian B, Leicestershire. |
1980 |
details |
Pennsylvanian |
|
USA(Mid-Continent) |
Taylor,W.A. Comparative analysis of megaspore ultrastructure in Pennsylvanian Lycophytes |
1990 |
details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
details |
Westphalian B |
Westphalian C |
Kentucky |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |