| original |
Middle Oligocene |
|
Romania |
Olaru,L. Research on the stratigraphical distribution of microflora in the Paleogene flysch situated between the Bistrita and Totus Rivers. |
1978 |
| details |
Middle Oligocene |
|
Romania |
Jan du ChЄne,R.E. et al. Practical guide for the identification of dinoflagellate cyst fossils. the Gonyaulacysta complex. |
1986 |
| details |
Nd |
|
Nd |
Helenes,J. et al. Morphological variations among species of the fossil dinoflagellate genus Gonyaulacysta. |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |