details |
Dinantian |
|
Bolivia |
Davila,J. The absence of typical Gondwana sediments in Bolivia. |
1972 |
details |
Stephanian |
|
Bolivia |
Davila,J. The absence of typical Gondwana sediments in Bolivia. |
1972 |
details |
Pennsylvanian |
|
USA |
Good,C.W. Pennsylvanian-Age Calamitean cones, elater-bearing spores, and associated vegetative organs. |
1975 |
original |
Chesterian |
|
Canada(Alberta) |
Staplin,F.L. Upper Mississippian plant spores from the Golata Formation, Alberta, Canada. |
1960 |
details |
Early Tournaisian |
|
Libya |
VavrdovЎ,M. Latest Devonian miospores and acritarchs from the subsurface samples of the Ashkidah Formation. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |