| details |
Early Frasnian |
Middle Tournaisian |
Canada(NWT,Mackenzie) |
Braman,D.R. et al. Upper Devonian-Lower Carboniferous miospore zonation of the Imperial and Tuttle Formations, Yukon and District of MacKenzie, Canada |
1984 |
| details |
Early Frasnian |
Middle Tournaisian |
Canada(Yukon) |
Braman,D.R. et al. Upper Devonian-Lower Carboniferous miospore zonation of the Imperial and Tuttle Formations, Yukon and District of MacKenzie, Canada |
1984 |
| details |
Famennian |
|
USSR(Ukrainian SSR) |
Partyka,I.I. Devonian and Carboniferous microspores and pollen of the Ukraine. (In: New data on the stratigraphy and fauna of the Phanerozoic of the Ukraine) |
1982 |
| original |
Famennian |
|
Canada(NWT) |
Staplin,F.L. New plant spores similar to Torispora, Balme. |
1961 |
| details |
Nd |
|
Nd |
Pashkevich,N.G. Morphological classification of dispersed fossil spores. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |