| original |
Late Oligocene |
|
Pacific(S.China Sea) |
He,C.-Q. et al. Late Late Oligocene dinoflagellates and acritarchs from North Continental Shelf of South China Sea. |
1981 |
| details |
Late Oligocene |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Oligocene |
|
Pacific(S.China Sea) |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |