| original |
Early Carboniferous |
|
Saudi Arabia |
Hemer,D.O. et al. Algae, acritarchs and other microfossils Incertae Sedis from the Lower Carboniferous of Saudi Arabia |
1967 |
| details |
Llandoverian |
Ludian |
Poland |
Chorowska,M. et al. Ordovician, Silurian and Devonian rocks at Luban (Kaczawa Mountains, Sudety Mountains). |
1981 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Grenfell,H.R. Probable fossil Zygnematacean algal spores Genera |
1995 |
| details |
Nd |
|
Nd |
Colbath,G.K. et al. Review of biological affinities of Paleozoic acid-resistant, organic walled eukaryotic algal microfossils, (including acritarchs). |
1995 |
| details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Geel,B.Van et al. Green and Blue-Green algae. 7A -Spores of Zygnemata. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |