original |
Famennian |
|
Arctic Ocean |
Kaiser,H. The Upper Devonian flora of Bear Island. 4. Microflora of the Misery Series. |
1971 |
original |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
original |
Triassic |
|
Czechoslovakia |
Corna,O. Some Triassic miospores from West Carpathians. |
1969 |
original |
Late Dittonian |
|
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
original |
Middle Devonian |
Late Devonian |
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |