| details |
Westphalian A |
|
Canada(Nova Scotia) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |
| details |
Early Westphalian B |
|
Canada(Nova Scotia) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |
| details |
Ufimian |
|
Brazil(Santa Catarina) |
de Quadros,L.P. et al. Catalog of fossil pollen and spores of the Paleozoic |
1995 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Ybert,J.P. A miospore study in the Candiota-Hulha Negra Coal Basin, Rio Grande do Sul, Brazil. |
1975 |
| details |
Ufimian |
|
|
de Quadros,L.P. et al. Catalog of fossil pollen and spores of the Paleozoic |
1995 |