| original |
Early Famennian |
|
Belgium |
Stockmans,F. et al. Acritarchs of the Lower Famennian. |
1969 |
| details |
Late Devonian |
|
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Frasnian |
|
Belgium |
Vanguestaine,M. et al. Evolution of organic debris and palynomorph preservation in two late middle Frasnian sections, southern Dinant Synclinorium border, Belgium. |
1999 |