| original |
Emsian |
Eifelian |
Spitsbergen |
Allen,K.C. Lower and Middle Devonian spores of North and Central Vestspitsbergen |
1965 |
| details |
Frasnian |
|
England(Bedfordshire) |
Mortimer,M.G. et al. Devonian megaspores from the Wyboston borehole, Bedfordshire, England |
1967 |
| details |
Emsian |
Eifelian |
Spitsbergen |
Allen,K.C. Spore assemblages and their stratigraphical application in the Lower and Middle Devonian of North and Central Vestspitbergen |
1967 |
| details |
Emsian |
|
Spitsbergen |
Owens,B. et al. Some recent advances in Devonian palynology. A review. Report of CIMP Working Group No.13B. |
1972 |
| details |
Early Devonian |
Middle Devonian |
Spitsbergen |
Allen,K.C. Further information on the Lower and Middle Devonian spores from Dickson Land, Spitsbergen. |
1973 |