original |
Nd |
|
Nd |
McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. |
1973 |
original |
Early Famennian |
Middle Famennian |
Canada(NWT,Franklin) |
Brideaux,W.W. et al. Biostratigraphic determinations of fossils from the subsurface of the Districts of Franklin and MacKenzie. |
1975 |
original |
Early Famennian |
Middle Famennian |
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Biostratigraphic determinations of fossils from the subsurface of the Districts of Franklin and MacKenzie. |
1975 |
original |
Late Siegenian |
Early Emsian |
USSR(Taymyr Nat.Okrug) |
Arkhangelskaya,A.D. et al. Spore assemblages and the correlation of sections in the Razvedochninskaya and Manturovskaya Formations of the Devonian in the Norilsk area. (In: The Biostratigraphy and Paleobiogeography of the Devonian and Carboniferous, Asian USSR. V.N.Dubatolov et al, editors) |
1978 |
original |
Pragian |
Early Emsian |
France(Mayenne) |
Le H©riss©,A. Lower Devonian spores of the Laval Synclinorium (Massif Armoricain) |
1983 |
original |
Nd |
|
Nd |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |