| details |
Nd |
|
Nd |
De Coninck,J. Ypresian organic walled microfossils from the Belgian Basin. |
1975 |
| details |
Late Cretaceous |
|
Australia(W.Australia) |
Cookson,I.C. Additional microplankton from Australian Late Mesozoic and Tertiary sediments. |
1956 |
| 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 |
| details |
Nd |
|
Nd |
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 |