| original |
Tournaisian |
|
Belgium |
Stockmans,F. et al. Dinantian acritarchs from a Drilling at the Asylum for the Demented, at Tournai, (Belgium). |
1966 |
| details |
Early Carboniferous |
|
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Late Devonian |
Early Carboniferous |
China(Tibet) |
Gao,L. Late Devonian and Early Carboniferous acritarchs from Nyalam County, Xizang, (Tibet), China. |
1984 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |