| details |
Frasnian |
Tournaisian |
Belgium |
Becker,G. et al. Palynology and ostracode distribution in the Upper Devonian and Basal Dinantian of Belgium and their dependence on sedimentary Acies. |
1974 |
| details |
Late Gedinnian |
Siegenian |
Wales(Dyfed) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Gedinnian |
Siegenian |
Wales(Gwent) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Gedinnian |
Siegenian |
Wales(Glamorgan) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Gedinnian |
Siegenian |
Wales(Carmarthenshire) |
Wellman,C.H. et al. The Cosheston Group (Lower Old Red Sandstone) in southwest Wales: age, correlation and palaeobotanical significance. |
1998 |
| details |
Late Givetian |
Middle Frasnian |
Saudi Arabia |
Sharief,F.A. et al. Chronostratigraphy and hydrocarbon prospects of the Sakaka Formation, Northern Arabia. |
1989 |
| details |
Early Emsian |
Middle Emsian |
England(Oxfordshire) |
Richardson,J.B. et al. Palynological evidence for the age and provenance of the Lower Old Red Sandstone from the Apley Barn Borehole, Winey, Oxfordshire. |
1978 |
| details |
Early Emsian |
Middle Emsian |
England(Oxfordshire) |
Richardson,J.B. et al. Palynological evidence for the age and provenance of the Lower Old Red Sandstone from the Apley Barn Borehole, Winey, Oxfordshire. |
1978 |
| details |
Early Emsian |
Middle Emsian |
England(Oxfordshire) |
Molyneux,S.G. The contribution of Palaeontological data to an understanding of the Early Palaeozoic framework of eastern England |
1991 |
| details |
Early Eifelian |
Middle Eifelian |
S.Ireland(Clare) |
Graham,J.R. et al. Age and significance of the Old Red Sandstone around Clew Bay, northwest Ireland. |
1983 |
| details |
Early Eifelian |
Middle Eifelian |
W.Germany(Rhineland) |
Riegel,W. Spore floras across the Lower/Middle Devonian boundary in the Rhineland (GFR). |
1974 |
| original |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Middle Stephanian |
Late Stephanian |
Arabian Pen.States |
Besems,R.E. et al. Palynostratrigraphy of Late Paleozoic Glacial deposits of the Arabian Peninsula with special reference to Oman |
1987 |
| details |
Middle Siegenian |
Late Siegenian |
Wales(Pembrokeshire) |
Allen,J.R.L. et al. Field Meeting: The facies of the Lower Old Red Sandstone, North of Milford Haven, Southwest Dyfed, Wales. |
1981 |
| details |
Middle Siegenian |
Late Siegenian |
Wales(Powys) |
Edwards,D. et al. Locality B9, Hoel Senni Quarry, Powys. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Middle Siegenian |
Late Siegenian |
Wales |
Thomas,R.G. Locality B17, Mill Bay, (West) near Cosheston, southwest Pyfed. (In: A Field Guide to Selected Outcrop Area of the Devonian of Scotland, the Welsh Borderland and South Wales. P.F.Friend and B.P.L.Williams, editors) |
1978 |
| details |
Middle Devonian |
Late Devonian |
Canada(Yukon) |
Norford,B.S. et al. Biostratigraphic determinations of fossils from the subsurface of the Yukon Territory and the Districts of MacKenzie Andfranklin |
1970 |