| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Ypresian |
|
England(Berkshire) |
Davey,R.J. et al. The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) |
1966 |
| original |
Ypresian |
|
England(Kent) |
Davey,R.J. et al. The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) |
1966 |
| details |
Late Stampian |
|
France(Ile-de-France) |
Bignot,G. et al. The Eocene-Oligocene transistion of Lambert area at Cormeilles-et-Parisis. |
1994 |
| details |
Early Oligocene |
|
Russia(Caucasus) |
Zaporozhets,N.I. Lower Oligocene palynology and phytoplankton of the northern Caucasus |
1993 |
| details |
Ypresian |
|
England(Kent) |
Bujak,J.P. et al. Dinoflagellate cysts and acritarchs from the Eocene of Southern England. |
1980 |
| details |
Early Oligocene |
|
Armenia |
Krasheninnikov,V.A. et al. Reference sections of the Eocene - Oligocene boundary strata on the territory of the former Soviet Union. The Landzhar section (Southern Armenia). (In: Late Eocene-Early Oligocene geological and Biotical events on the Territory of the Former Soviet Union.Part 2: the regional geology of the Upper Eocene and Lower Oligocene. (V.A.Krasheninnikov and.A.Akhmetiev, editors) |
1996 |