| details |
Carboniferous |
|
Nd |
Potonie,R. The biology of Carboniferous spores |
1955 |
| details |
Late Devonian |
Early Permian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Late Paleozoic |
|
Worldwide |
Kremp,G.O.W. Stratigraphic correlations in Paleozoic horizons with help of plant spores and pollen. |
1956 |
| details |
Late Carboniferous |
|
W.Germany(Saarland) |
Bharadwaj,D.C. The spore genera from the Upper Carboniferous Cos of the Saar and their value in stratigraphical studies. |
1956 |
| details |
Carboniferous |
Permian |
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Palynological studies in the Coal Basins of Kladno and Rakovnik. |
1956 |
| details |
Stephanian |
Autunian |
Germany(Rhineland) |
Josten,K.H. The Coal in the Pfalz Mountains. |
1956 |
| details |
Early Gondwana |
|
India(Hindustan) |
Goswami,S.K. Occurrence of megaspores in the coal from South Rewa Gondwana Basin. |
1956 |
| details |
Pennsylvanian |
|
West Virginia |
Cross,A.T. et al. Correlation of the Pomeroy Coal. |
1956 |
| details |
Late Carboniferous |
Permian |
India(Bihar) |
Guhasarkar,T.K. Note on the Micro-Flora contents of the Karharbari and Barakar Coals of the Giridih Coalfield. |
1956 |
| details |
Desmoinesian |
|
Iowa |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Early Permian |
|
South Africa |
Leschik,G. Spore stratigraphy in the Permian and Triassic. |
1958 |
| details |
Middle Desmoinesian |
|
Oklahoma |
Wilson,L.R. et al. Plant microfossils in the Cabaniss Coals of Oklahoma and Kansas |
1958 |
| details |
Middle Desmoinesian |
|
Kansas |
Wilson,L.R. et al. Plant microfossils in the Cabaniss Coals of Oklahoma and Kansas |
1958 |
| details |
Late Carboniferous |
|
Nd |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Early Permian |
|
Texas |
Tschudy,R.H. et al. Gnetaloid and Vesiculate Permian sporomorphs |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. Florinites pelucidus and Endosporites ornatus, with observations on their morphology. |
1960 |