| original |
Late Siegenian |
|
USSR(Lithuanian SSR) |
Arkhangelskaya,A.D. Lower Devonian spores of Lithuania. |
1978 |
| details |
Siegenian |
|
USSR(European) |
Arkhangelskaya,A.D. A detailed biostratigraphic classification of Early Devonian deposits of European USSR, (Based on plant spores) |
1985 |
| details |
Late Pragian |
Middle Emsian |
S.Ireland(Kerry |
Higgs,K.T. Early Devonian spore assemblages from the Dingle Group, County Kerry, Ireland. |
1999 |
| details |
Late Siegenian |
|
Lithuania |
Higgs,K.T. Early Devonian spore assemblages from the Dingle Group, County Kerry, Ireland. |
1999 |