| details |
Givetian |
|
China(Yunnan) |
Lu,L.-C. Middle Devonian microflora from Haickou Formation at Shijiapo in Zhanyi of Yunnan, China |
1988 |
| details |
Cretaceous |
|
USSR(Krasnodar Kray) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
|
USSR(Stavropol Kray) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Middle Cambrian |
|
Bothnian Gulf/Sea |
Hagenfeldt,S.E. Middle Cambrian acritarchs from the Baltic Depression and South-Central Sweden, taxonomy and biostratigraphy. |
1989 |