| details |
Givetian |
|
Ohio |
Wicander,R. et al. Systematics and biostratigraphy of the organic-walled microphytoplankton from the Middle Devonian, (Givetian), Silica Formation, Ohio, USA. |
1981 |
| details |
Strunian |
Courceyan |
Wales(Glamorgan) |
Davies,J.R. et al. Palaeoenvironments and palynofacies of a pulsed transgression; The Late Devonian and Early Dinantian (Lower Carboniferous) rocks of southeast Wales. |
1991 |
| details |
Quaternary |
|
Netherlands |
Meer,J.J.M.Van Der et al. A Silurian-Devonian acritarch flora from Saalian Till in the Netherlands |
1992 |
| details |
Early Frasnian |
|
Iran |
Ghavidel-Syooki,M. Biostratigraphy and paleo-biogeography of some Paleozoic rocks at Zagros and Alborz Mountains. |
1994 |
| details |
Middle Frasnian |
Late Frasnian |
Iran |
Ghavidel-Syooki,M. Palynostratigraphy and palaeogeography of a Palaeozoic sequence in the Hassanakdar area, Central Alborz Range, Northern Iran. |
1995 |