| details |
Early Barremian |
|
England(Yorkshire) |
Sarjeant,W.A.S. The dinoflagellate cysts of the Gonyaulacysta Group: A morphological and taxomomic restudy. |
1982 |
| details |
Nd |
|
Nd |
Krukewich,L.A. et al. Present taxonomic attributions of the dinoflagellate cysts and acritarchs treated by Davey, Downie, Sarjeant and Williams, (1966,1969). |
1983 |
| details |
Early Hauterivian |
|
Hungary |
Bombita,G. et al. Pieniny-Type Mesozoic Formation from Maramures, Romania (Second Part) |
1992 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |