| details |
Norian |
Rhaetian |
China(Yunnan) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Kimmeridgian |
Hauterivian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| original |
Norian |
Rhaetian |
China(Yunnan) |
Lei,Z.-Q. The sporo-pollen assemblage of Shezhe Formation of Yipingland Coal series in Luquan of Yunnan and its stratigraphical significance. |
1978 |