original |
Downtonian |
|
Libya |
Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. |
1973 |
original |
Lochkovian |
|
France(Mayenne) |
d'Erceville,M.A. Spores from Silurian-Devonian formations from a cutting at Saint-Pierre-sur-Erve (Synclinorium Median Armorcain). |
1979 |
original |
Late Downtonian |
Early Dittonian |
France(Mayenne) |
d'Erceville,M.A. The spores of Silurian - Devonian Formations of St.Pierre-sur-Erve, (Massif Armoricain). |
1979 |
original |
Late Gedinnian |
|
Scotland(Fife) |
Richardson,J.B. et al. Miospores, correlation and age of some Scottish Lower Old Red Sandstone sediments from the Strathmore Region (Fife and Angus). |
1984 |
original |
Downtonian |
Early Siegenian |
Northern Hemisphere |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
original |
Nd |
|
Libya |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
original |
Nd |
|
Nd |
Burgess,N.D. et al. Late Wenlock to Early Pridoli cryptospores and miospores from south and southwestern Wales, Great Britain. |
1995 |
original |
Early Lochkovian |
|
Scotland(Fife) |
Lavender,K. et al. Lower Devonian spore assemblages from the Arbuthnott Group at Canterland Den in the Midland Valley of Scotland |
2002 |