| details |
Early Devonian |
Middle Devonian |
USSR(European) |
Kedo,G.I. et al. Spores. (In: Colloquia on the fauna and flora of the Lower and Middle Devonian boundary Layers in the USSR.) |
1978 |
| details |
Early Emsian |
Middle Emsian |
Canada(Ontario) |
Sanford,B.V. et al. Devonian stratigraphy of the Hudson Platform. Part 1 |
1975 |
| details |
Cretaceous |
Tertiary |
Finland |
Suomalainen,T. et al. Pre-Quaternary microfossils in Clay occurrences of Kaljala on the Karelian Isthmus. |
1970 |
| details |
Late Volgian |
Valanginian |
Canada(Arctic) |
Christie,R.L. et al. Stratigraphical sections and palynological reports from Mesozoic rocks at Lake Hazen, Ellesmere Island. |
1980 |