| details |
Devonian |
|
USSR(Ukrainian SSR) |
Avkhimovich,V.I. et al. Palynological basis for the age of the Ozeryanskoi Coal Suite of the Belokorovich Skoi Graben-Syncline |
1987 |
| details |
Famennian |
|
Algeria |
Boumendjel,K. et al. Biostratigraphy of the miospores and chitinozoas of the Late Silurian and Devonian of the Illizi Basin, (southeast Algerian Sahara). |
1988 |
| details |
Tournaisian |
|
USSR(Krasnoyarsk Kray) |
Zorin,V.T. et al. Lower Carboniferous stratigraphy of the northern part of Minusinsk Trough (Nazarovskaya and North-Minusinsk Depressions) |
1989 |