original |
Givetian |
|
Scotland(Orkney) |
Richardson,J.B. Middle Old Red Sandstone spore assemblages from the Orcadian Basin, northeast Scotland. |
1965 |
original |
Eifelian |
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 |
original |
Late Siegenian |
Early Eifelian |
Czechoslovakia(Morovia) |
Cambel,B. et al. Biostratigraphic evaluation of Metasediments in the male Karpathy Mts.Region |
1985 |