| details |
Carboniferous |
|
North America |
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 |
Frasnian |
|
New York |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Frasnian |
Famennian |
Nd |
Kedves,M. Introduction to the palynology of Pre-Quaternary deposits |
1986 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Frasnian |
Famennian |
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |
| details |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Carboniferous |
|
Nd |
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 |
Paleozoic |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Nd |
|
Nd |
Pi©rart,P. The evolution of the megaspores. |
1961 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Nd |
|
Nd |
Scott,A.C. et al. Paleozoic spores and pollen. Chapter 18G Palaeozoic megaspores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Westphalian B |
Westphalian D |
Kentucky |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| 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 |
| details |
Early Jurassic |
|
India(Rajasthan) |
Singh,H.P. Jurassic-Lower Cretaceous microflora. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |