| original |
Middle Devonian |
Late Devonian |
Czechoslovakia |
Bajanik,S. et al. A Paleozoic Volcano-Sedimentary Complex of Predna Hola, (Nizke Tatry Mountains). |
1979 |
| details |
Late Tournaisian |
Early Visean |
Czechoslovakia |
Bajanik,S. et al. Stratigraphic position of Lower Part of Ochtina Formation between Magnezitovce and Magura |
1985 |
| details |
Early Campanian |
Middle Campanian |
Antarctica |
Askin,R.A. et al. Stratigraphy and paleontology of Campanian and Eocene sediments, Cockburn Island, Antarctic Peninsula. |
1991 |
| details |
Early Barremian |
Middle Barremian |
Arctic Ocean |
Antonsen,P. et al. Shallow Bedrock geology of the Olga Basin, Area Northwestern Barents Sea. |
1991 |
| details |
Autunian |
|
Romania |
Antonescu,E. et al. Palynological contributions to the knowledge of the Permian from Banat. |
1976 |
| details |
Emsian |
Frasnian |
Ghana |
Anan-Yorke,R. Devonian chitinozoa and acritarcha from exploratory oil wells on the shelf and coastal region of Ghana, West Africa. |
1974 |
| details |
Late Llandoverian |
|
Canada(Gaspe Area) |
Achab,A. Palynostratigraphic study of several Layers of Silurian Formations of the Lac Matapedia Cyncline |
1975 |