| details |
Givetian |
Early Frasnian |
France(Pas-de-Calais) |
Loboziak,S. et al. Miospores in Givetian to Lower Frasnian sediments dated by conodonts from the Boulonnais, France. |
1980 |
| details |
Givetian |
|
France(Boulonnais) |
Brice,D. et al. New biostratigraphic data on the Givetian and Frasnian of Ferques (Boulonnais, France). |
1979 |
| details |
Middle Devonian |
Late Devonian |
Canada(Alberta) |
Streel,M. Lower Devonian spores from Belgium and their stratigraphic significance |
1967 |
| original |
Middle Devonian |
Late Devonian |
Canada(Alberta) |
McGregor,D.C. Devonian miospores from the Ghost River Formation, Alberta, Canada. |
1964 |
| 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 |
Late Givetian |
Early Frasnian |
Arizona |
Canright,J.E. Spores and associated macrofossils from the Devonian of Arizona. |
1970 |