| details |
Turonian |
|
USSR(Semipalatinskaya) |
Harker,S.D. et al. Late Cretaceous (Campanian) organic-walled microplankton from the interior plains of Canada, Wyoming and Texas; biostratigraphy, palaeotology and palaeoenvironmental interpretation. |
1990 |
| details |
Turonian |
Santonian |
India(Tamil Nadu) |
Khowaja-Ateequzzaman et al. Some observations on dinoflagellate cyst genus Alterbidinium, Lentin and Williams,1985 |
1991 |
| details |
Nd |
|
Nd |
Khowaja-Ateequzzaman et al. Some observations on dinoflagellate cyst genus Alterbidinium, Lentin and Williams,1985 |
1991 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |