details |
Miocene |
|
Ecuador |
Putzer,H.Von. Tertiary Lignite in the Interandine Graben of Ecuador as an example of Syn-Orogenous Coal Formation in intramontane Depressions |
1968 |
details |
Miocene |
|
Ecuador |
Putzer,H.Von. Tertiary Lignite in the Interandine Graben of Ecuador as an example of Syn-Orogenous Coal Formation in intramontane Depressions |
1968 |
details |
Miocene |
|
Ecuador |
Putzer,H.Von. Tertiary Lignite in the Interandine Graben of Ecuador as an example of Syn-Orogenous Coal Formation in intramontane Depressions |
1968 |
details |
Miocene |
|
Ecuador |
Putzer,H.Von. Tertiary Lignite in the Interandine Graben of Ecuador as an example of Syn-Orogenous Coal Formation in intramontane Depressions |
1968 |
original |
Late Devonian |
|
Ireland |
Chaloner,W.G. The cone of Cyclostigma kiltorkense, Haughton, from the Upper Devonian of Ireland. |
1968 |
original |
Late Devonian |
|
Ireland |
Chaloner,W.G. The cone of Cyclostigma kiltorkense, Haughton, from the Upper Devonian of Ireland. |
1968 |
original |
Late Devonian |
|
Ireland |
Chaloner,W.G. The cone of Cyclostigma kiltorkense, Haughton, from the Upper Devonian of Ireland. |
1968 |
original |
Late Devonian |
|
Ireland |
Chaloner,W.G. The cone of Cyclostigma kiltorkense, Haughton, from the Upper Devonian of Ireland. |
1968 |
original |
Late Devonian |
|
Ireland |
Chaloner,W.G. The cone of Cyclostigma kiltorkense, Haughton, from the Upper Devonian of Ireland. |
1968 |
original |
Late Devonian |
|
Ireland |
Chaloner,W.G. The cone of Cyclostigma kiltorkense, Haughton, from the Upper Devonian of Ireland. |
1968 |
original |
Nd |
|
Nd |
Doubinger,J. Contribution to the palynological study of the Permo-Carboniferous of Autun. |
1968 |
original |
Nd |
|
Nd |
Dettmann,M.E. et al. Taxonomy of some Cretaceous spores and pollen grains from eastern Australia. |
1968 |
details |
Chesterian |
|
Arkansas |
Taylor,T.N. et al. Petrified plants from the Upper Mississippian of North America.2.Lepidostrobus Fayettevillense sp. n. |
1968 |
details |
Nd |
|
Nd |
Obrhel,J. The Barrandian flora of the Silurian and Devonian. |
1968 |
details |
Early Bajocian |
|
England(Yorkshire) |
Konijnenburg-Cittert,J.H.A.Van Androstrobus major, a new male Cycad cone from the Jurassic of Yorkshire (England). |
1968 |
details |
Early Gondwana |
|
India(Andhra Pradesh) |
Moiz,A.A. et al. A preliminary study of sporae dispersae in Ramagundum Coalfield, Godavari Coal Basin, Andhra Pradesh. |
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 |