| original |
Late Artinskian |
|
India(Madhya Pradesh) |
Anand-Prakash Sporae dispersae in the Coals of Pench-Kanhan and Pathakhera Coalfields, (M.P.), India. |
1972 |
| details |
Artinskian |
Kungurian |
Brazil(Rio Grande Sul) |
Fabricio,M.E.D. Palynology of the Rio Bonito Formation in the Gravatai-Morungava area, Rio Grande do Sul. |
1981 |
| details |
Sakmarian |
Kungurian |
|
de Quadros,L.P. et al. Catalog of fossil pollen and spores of the Paleozoic |
1995 |
| details |
Sakmarian |
Kungurian |
Brazil(Rio Grande Sul) |
de Quadros,L.P. et al. Catalog of fossil pollen and spores of the Paleozoic |
1995 |
| details |
Cisuralian |
Middle Guadalupian |
Brazil(Rio Grande Sul) |
Souza,P.A. et al. Progress on the palynostratigraphy of the Permian strata in Rio Grande do Sul State, ParanŠ Basin, Brazil. |
2005 |