| details |
Late Devonian |
Early Mississippian |
Brazil(Bahia) |
Ludwig,G. et al. On the question of the Pre-Carboniferous unconformity in the Maranhao, Tucano, and Jatoba Basins (Brazil). |
1968 |
| details |
Late Devonian |
Early Mississippian |
Brazil(Maranhao) |
Ludwig,G. et al. On the question of the Pre-Carboniferous unconformity in the Maranhao, Tucano, and Jatoba Basins (Brazil). |
1968 |
| details |
Late Devonian |
Early Mississippian |
Brazil(Para) |
Ludwig,G. et al. On the question of the Pre-Carboniferous unconformity in the Maranhao, Tucano, and Jatoba Basins (Brazil). |
1968 |
| details |
Late Devonian |
Early Mississippian |
Brazil(Bahia) |
Ludwig,G. et al. On the question of the Pre-Carboniferous unconformity in the Maranhao, Tucano, and Jatoba Basins (Brazil). |
1968 |
| details |
Late Devonian |
Early Mississippian |
Brazil(Maranhao) |
Ludwig,G. et al. On the question of the Pre-Carboniferous unconformity in the Maranhao, Tucano, and Jatoba Basins (Brazil). |
1968 |
| details |
Helvetian |
|
Switzerland |
Meon-Vilian,H. Analysis of pollen and spores from the Helvetian of Imihubel (Berne). |
1968 |
| details |
Helvetian |
|
Switzerland |
Meon-Vilian,H. Analysis of pollen and spores from the Helvetian of Imihubel (Berne). |
1968 |
| details |
Helvetian |
|
Switzerland |
Meon-Vilian,H. Analysis of pollen and spores from the Helvetian of Imihubel (Berne). |
1968 |
| details |
Helvetian |
|
Switzerland |
Meon-Vilian,H. Analysis of pollen and spores from the Helvetian of Imihubel (Berne). |
1968 |
| details |
Early Emsian |
|
Germany(Rhineland) |
Schultz,G. A Lower Devonian microflora from the Klerf Beds of the Eifel (Rheinisches Schiefergebirge). |
1968 |
| details |
Early Gondwana |
|
India(Andhra Pradesh) |
Pant,D.D. et al. On the genus Gangamopteris Mccoy. |
1968 |
| details |
Early Triassic |
|
India(West Bengal) |
Satsangi,P.P. et al. Sporological analysis of the Panchet series and its bearing on the Permian-Triassic transition |
1968 |
| details |
Neocomian |
Aptian |
India(Gujarat) |
Venkatachala,B.S. Palynology of the Umia Plant Beds of Kutch, West India. 2. Bhuj exposures near Walkamata, Kutch District, Gujarat State-Sysematic palynology. |
1968 |
| details |
Early Carboniferous |
|
Scotland(Berwick) |
Long,A.G. Some specimens of Mazocarpon, Achlamydocarpon and Cystosporites from the Lower Carboniferous rocks of Berwickshire |
1968 |
| details |
Early Carboniferous |
|
Scotland(Berwick) |
Long,A.G. Some specimens of Mazocarpon, Achlamydocarpon and Cystosporites from the Lower Carboniferous rocks of Berwickshire |
1968 |
| details |
Rhaetian |
Liassic |
Sweden |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Downtonian |
|
England |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |