| details |
Emsian |
|
Norway |
Allen,K.C. Devonian spores from Outer Troendelag, Norway. |
1976 |
| original |
Late Homerian |
Early Downtonian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
| details |
Early Ludlovian |
|
New York |
Miller,M.A. et al. Ludlow age acritarchs and spores from the Pittsford Shale, New York. |
1988 |
| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| details |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| details |
Ludlovian |
|
Nd |
Steemans,P. Spores and crytospores diversification from the Ordovician to the Lower Devonian. |
1998 |
| details |
Middle Frasnian |
Late Frasnian |
Maryland |
Curry,R.P. Upper Devonian miospores from the Greenland Gap Group, Allegheny Front, Eastern United States. |
1973 |
| details |
Middle Frasnian |
Late Frasnian |
Maryland |
Curry,R.P. Miospores from the Upper Devonian (Frasnian) Greenland Gap Group, Allegheny Front, Maryland, West Virginia and Virginia, USA. |
1975 |
| details |
Siegenian |
Emsian |
Libya |
Boureau,E. et al. The Silurian and Devonian in Libya. The Silurian was the time of the appearance of vascular plants. |
1978 |
| details |
Givetian |
|
Libya |
Paris,F. et al. Devonian (Emsian-Famennian) palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |
| details |
Pridolian |
|
Libya |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Pridolian |
|
Libya |
Gray,J. Spores of Land-Plant type. |
1977 |
| details |
Early Emsian |
Couvinian |
Libya |
Grignani,D. et al. Palaeozoic and Mesozoic subsurface palynostratigraphy in the Al Kufrah Basin, Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Givetian |
|
Iowa |
Sanders,R.B. Devonian spores of the Cedar Valley Coal of Iowa, USA. |
1967 |
| details |
Givetian |
Early Frasnian |
France(Pas-de-Calais) |
Loboziak,S. et al. Miospores in Givetian to Lower Frasnian sediments dated by conodonts from the Boulonnais, France. |
1980 |
| details |
Givetian |
|
France(Boulonnais) |
Brice,D. et al. New biostratigraphic data on the Givetian and Frasnian of Ferques (Boulonnais, France). |
1979 |
| details |
Late Gedinnian |
Siegenian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |