| details |
Hauterivian |
|
USSR(Kazakh SSR) |
Shvetsova,E.M. Spore and pollen assemblages of the Lower Cretaceous deposits of the eastern Ustyurt. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Triassic |
|
Canada(NWT,Mackenzie) |
Jeletzky,J.A. Jurassic and (?)Triassic rocks of the eastern slope of Richardson Mountains, Northwestern District of MacKenzie. |
1967 |
| details |
Triassic |
|
Canada(NWT,Mackenzie) |
Mountjoy,E.W. Triassic stratigraphy of northern Yukon Territory. |
1967 |
| details |
Jurassic |
|
England |
Andreieff,P. et al. The stratigraphy of the post Paleozoic sequences in Part of the Western Channel. |
1975 |
| details |
Oxfordian |
|
England(Yorkshire) |
Pocock,S.A.J. Microfloral analysis and age determination of strata at the Jurassic-Cretaceous boundary in the Western Canada Plains |
1962 |
| details |
Bathonian |
|
England(Northampton) |
Tschudy,B.D. Palynology of the Upper Campanian, (Cretaceous) Judith River Formation, north-central Montana. |
1973 |