| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Paleozoic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Jurassic |
|
Nd |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Nd |
|
Nd |
Davey,R.J. et al. Fossil dinoflagellate cysts attributed to Baltisphaeridium. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) |
1966 |
| details |
Middle Berriasian |
Middle Albian |
Canada(British Columbia) |
Broatch,J. Palynological zonation and correlation of the Peace River Coalfield northeastern British Columbia: An update. |
1986 |
| details |
Maastrichtian |
|
Switzerland |
Badoux,H. et al. The age of the Helminthoides Flysch of the Romand and Chablais Prealps. |
1963 |
| details |
Maastrichtian |
|
France(Savoie,Haute) |
Badoux,H. et al. The age of the Helminthoides Flysch of the Romand and Chablais Prealps. |
1963 |
| details |
Barremian |
Aptian |
Canada(Eastern Offshore) |
Allen,R.P. Palynology of the Lower Cretaceous Naskapi Shale, Scotian Shelf. |
1977 |