| details |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |
| details |
Tournaisian |
Namurian |
Canada(Nova Scotia) |
Benson,D.G. Geology of the Antigonish Highlands, Nova Scotia. |
1974 |
| details |
Berriasian |
Valanginian |
South America |
Riccardi,A.C. The Cretaceous System of southern South America. |
1988 |
| details |
Cenomanian |
Turonian |
Oregon |
Thompson,G.G. et al. Subsurface stratigraphy of the Ochoco Basin, Oregon. |
1984 |
| details |
Early Kimmeridgian |
|
Spain |
Erve,A.W.Van et al. A palynological investigation of some Lower Kimmeridgian deposits from Spain |
1988 |
| details |
Early Famennian |
|
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |