| details |
Middle Frasnian |
Late Frasnian |
Canada(Arctic) |
Hill,S.A. et al. Ellesmeris sphenopteroides, gen.et sp.nov., a new Zygopterid fern from the Upper Devonian (Frasnian) of Ellesmere, NWT, Arctic Canada. |
1997 |
| details |
Middle Frasnian |
|
Canada(Quebec) |
Cloutier,R. et al. Biostratigraphy of the Upper Devonian Escuminac Formation eastern Quebec, Canada: A comparative study based on miospores and Fishes |
1996 |
| details |
Frasnian |
|
|
Burjack,M.I.A. et al. Some new data on the Devonian miospores of the Parana Basin (Brazil). |
1987 |