original |
Downtonian |
|
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
original |
Downtonian |
|
Libya |
Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. |
1973 |
original |
Asselian |
Sakmarian |
Australia(S.Australia) |
Gilby,A.R. et al. Early Permian palynology of the Arckaringa Basin, South Australia |
1988 |
original |
Artinskian |
|
Australia(Queensland) |
Foster,C.B. Permian plant plant microfossils from the Blair Athol Coal Measures, Central Queensland, Australia. |
1975 |