| original |
Wordian |
|
Canada(Arctic) |
Utting,J. Palynostratigraphy of Permian and Lower Triassic Rocks, Sverdrup Basin, Canadian Arctic Archipelago |
1994 |
| details |
Kazanian |
Tatarian |
Barents Sea |
Utting,J. Paleozoic spores and pollen. Chapter 18F Illustrations of Permi spores and pollen. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
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 |
| details |
Kazanian |
|
Barents Sea |
Grigoriev,M. et al. Sedimentology, palynostratigraphy, palynofacies and thermal maturity of Upper Permian rocks of Kolguyev Island, Barents Sea Russia |
1998 |