| original |
Early Gothlandian |
|
Saudi Arabia |
Miller,M.A. A diagnostic excystment suture in the Silurian acritarch, Circinatisphaera aenigma, gen.et sp.nov. |
1987 |
| original |
Early Gothlandian |
|
Saudi Arabia |
Miller,M.A. A diagnostic excystment suture in the Silurian acritarch, Circinatisphaera aenigma, gen.et sp.nov. |
1987 |
| details |
Early Gothlandian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Silurian |
|
Saudi Arabia |
Colbath,G.K. et al. Review of biological affinities of Paleozoic acid-resistant, organic walled eukaryotic algal microfossils, (including acritarchs). |
1995 |
| details |
Early Silurian |
|
Saudi Arabia |
Colbath,G.K. et al. Review of biological affinities of Paleozoic acid-resistant, organic walled eukaryotic algal microfossils, (including acritarchs). |
1995 |
| details |
Telychian |
|
Saudi Arabia |
Le H©riss©,A. Characteristics of the acritarch recovery in the early Silurian of Saudi Arabia. |
2000 |
| details |
Late Llandoverian |
|
Brazil(Paraiba) |
Le H©riss©,A. et al. Palynological characterization and dating of the TianguЎ Formation, Serra Grande Group, Northern Brazil. (In: Correla§ўo de SeqмЄncias Paleozгicas Sul-Americanas (J.H.G.Melo and G.J.S.Terra, editors. 25 CiЄncia-T©cnica-Petrгleo.) |
2001 |