| details |
Early Smithian |
|
Canada(Arctic) |
Ford,J.H. Palynology of Upper Paleozoic and Lower Mesozoic field samples and cores from Ellesmere, Melville and adjacent Islands. |
1978 |
| details |
Griesbachian |
Smithian |
Canada(Arctic) |
Ford,J.H. Palynology of 75 Mesozoic Field samples from the Sverdrup Basin of Arctic Canada |
1980 |
| details |
Induan |
|
USSR(Komi ASSR) |
Kulikova,N.K. Palynological characteristics of Lower Triassic sediments of the northern part of the Pre-Ural Trough. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |
| details |
Westphalian D |
|
Kansas |
Peppers,R.A. Palynology of the Lost Branch Formation of Kansas: New insight the major floral transition at the Middle - Upper Pennsylvanian boundary. |
1997 |