| details |
Roadian |
|
Canada(Arctic) |
Utting,J. Palynostratigraphy of Permian and Lower Triassic Rocks, Sverdrup Basin, Canadian Arctic Archipelago |
1994 |
| original |
Roadian |
|
Canada(Arctic) |
Utting,J. Palynostratigraphy of Permian and Lower Triassic Rocks, Sverdrup Basin, Canadian Arctic Archipelago |
1994 |
| details |
Late Ufimian |
Early Kazanian |
USSR(Udmurt ASSR) |
Utting,J. et al. Late Permian palynomorph assemblages from Ufimian and Kazanian sequences in Russia, and comparison with Roadian and Wordian assemblages from the Canadian Arctic |
1997 |
| details |
Roadian |
Wordian |
Canada(Arctic) |
Utting,J. et al. Late Permian palynomorph assemblages from Ufimian and Kazanian sequences in Russia, and comparison with Roadian and Wordian assemblages from the Canadian Arctic |
1997 |