| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Tertiary |
|
Germany |
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 |
Thanetian |
Priabonian |
France(Savoie) |
Jan du ChЄne,R.E. et al. Geological and stratigraphic study, (palynology and calcarious nannoflora), of Gres des Voirons, (Paleogene of Haute-Savoie, France). |
1975 |