| details |
Eifelian |
Early Givetian |
USSR(Turkmen SSR) |
Arkhangelskaya,A.D. Spores from the Lower and Middle Devonian deposits of the Russian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) |
1985 |
| details |
Late Givetian |
|
Canada(Arctic) |
Mayr,U. Stratigraphy and correlation of Lower Paleozoic Formations, subsurface of Bathurst Island and adjacent smaller islands, Canadian Arctic Archipelago. |
1980 |
| details |
Nd |
|
Nd |
McGregor,D.C. Devonian miospores of N.America. |
1979 |
| details |
Eifelian |
Givetian |
Canada(NWT,Franklin) |
McGregor,D.C. Devonian assemblage (palynomorphs). (In: Biostratigraphic determinations from the subsurface of the Districts of MacKenzie and Franklin and the Yukon Territory. J.W. Andrechuk) |
1977 |
| details |
Eifelian |
Frasnian |
Canada(Ontario) |
McGregor,D.C. et al. Upper Silurian? to Middle Devonian spores of the Moose River Basin, Ontario. |
1976 |
| details |
Middle Eifelian |
Middle Givetian |
Canada(Ontario) |
McGregor,D.C. A Gedinnian to Givetian spore sequence from the Moose River Basin, Canada. |
1975 |
| details |
Givetian |
|
Canada(Ontario) |
Sanford,B.V. et al. Devonian stratigraphy of the Hudson Platform. Part 1 |
1975 |
| details |
Devonian |
|
Scotland |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| original |
Givetian |
|
Scotland(Orkney) |
Richardson,J.B. Middle Old Red Sandstone spore assemblages from the Orcadian Basin, northeast Scotland. |
1965 |