| details |
Late Siegenian |
|
USSR(Lithuanian SSR) |
Arkhangelskaya,A.D. Plant spores from some Lower Devonian sections of the Western Regions of the Russian Platform. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Early Emsian |
Middle Emsian |
Canada(New Brunswick) |
Doran,J.B. A new species of Psilophyton from the Lower Devonian of northern New Brunswick, Canada. |
1980 |
| 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 |
Late Siegenian |
Emsian |
Canada(Quebec) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.11.Biostratigraphy. |
1977 |
| details |
Gedinnian |
Siegenian |
Canada(Ontario) |
McGregor,D.C. et al. Upper Silurian? to Middle Devonian spores of the Moose River Basin, Ontario. |
1976 |
| original |
Late Siegenian |
Early Emsian |
Canada(Gaspe Area) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
| original |
Late Siegenian |
Early Emsian |
Canada(Quebec) |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |