| original |
Namurian |
|
Turkey |
Artuz,S. The sporae dispersae of the Turkish bituminous coal from the Zonguldak area, (with special consideration of new species and genera). |
1957 |
| details |
Namurian |
|
Turkey |
Artuz,S. Spore studies of the Alimolla, Sulu and Buyuk Coal Seams in the Zonguldak Basins. |
1959 |
| details |
Westphalian A |
|
Turkey |
Artuz,S. Amasra-Tarlaagzi Coal Region Kalin and Ara Layers, (Westphalian C), microspore investigation and correlation tests. |
1963 |
| details |
Namurian A |
|
Turkey |
Agrali,B. Palynological comparisons of Lower Carboniferous in Amasra and Zonguldak Basins, Turkey. |
1969 |
| details |
Chesterian |
|
Iowa |
Urban,J.B. Palynology and the Independence Shale of Iowa. |
1971 |