details |
Late Frasnian |
Early Famennian |
Canada(Ontario) |
McGregor,D.C. Hymenozonotriletes lepidophytus, Kedo and associated spores from the Devonian of Canada. (In: Colloqium on the Stratigraphy of the Carboniferous, Compte Rendus, 8th Reunion CIMP. M.Streel and R.H.Wagner, editors) |
1970 |
details |
Late Devonian |
Late Devonian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
details |
Early Devonian |
Middle Devonian |
USSR(Azerbaijan SSR) |
Tilina-Stanichnikova,M.S. Discovery of Devonian spores in deposits beneath the Faunistically characterized Devonian in some Regions of Second Baku. |
1965 |
details |
Frasnian |
Tournaisian |
USSR(Yakut ASSR) |
Peterson,L.N. Characteristics of spore assemblages from Devonian deposits in South-Central Siberia. |
1975 |