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 |
details |
Late Cretaceous |
|
Australia(W.Australia) |
Cookson,I.C. Additional microplankton from Australian Late Mesozoic and Tertiary sediments. |
1956 |
details |
Late Cretaceous |
|
England(Isle of Wight) |
Clarke,R.F.A. et al. An investigation of microplankton assemblages from the chalk of the Isle of Wight, England. |
1967 |
details |
Hauterivian |
Aptian |
Morocco |
Below,R. Scholochorate cysts of Gonyaulacaceae (Dinophyceae) from the Lower Cretaceous of Morocco |
1982 |