| original |
Givetian |
|
Spitsbergen |
Allen,K.C. Lower and Middle Devonian spores of North and Central Vestspitsbergen |
1965 |
| details |
Givetian |
|
Spitsbergen |
Allen,K.C. Spore assemblages and their stratigraphical application in the Lower and Middle Devonian of North and Central Vestspitbergen |
1967 |
| details |
Middle Givetian |
Early Frasnian |
Australia(W.Australia) |
Grey,K. A Middle Givetian miospore age for the onset of reef development on the Lennard Shelf, Canning Basin, Western Australia. |
1991 |
| details |
Early Devonian |
Middle Devonian |
Spitsbergen |
Allen,K.C. Further information on the Lower and Middle Devonian spores from Dickson Land, Spitsbergen. |
1973 |