| original |
Eifelian |
Middle Givetian |
Canada(Arctic) |
McGregor,D.C. et al. Middle Devonian miospores from the Cape de Bray, Weatherall, and Hecla Bay Formations of northeastern Melville Islad, Canadian Arctic. |
1982 |
| details |
Givetian |
Early Frasnian |
Australia |
McGregor,D.C. et al. Canadian and Australian Devonian spores: zonation and correlation |
1992 |
| details |
Givetian |
Early Frasnian |
Canada |
McGregor,D.C. et al. Canadian and Australian Devonian spores: zonation and correlation |
1992 |
| details |
Late Givetian |
Early Frasnian |
New York |
Traverse,A. et al. Palynolostratigraphy of the Catskill and part of the Chemung Magnafacies, Southern New York State, USA. |
1994 |