- Author:
- Servais,T.
- Year:
- 1997
- Title:
- An annotated bibliographical review of Ordovician acritarchs
- Reference:
- Servais,T. (1997) An annotated bibliographical review of Ordovician acritarchs Annales de la Soci©t© G©ologique de Belgique Vol. 120 # 1 P. 23- 72
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| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Arbusculidium | Arbusculidium | Nd | Ordovician | |
| Archaeodiscina | Archaeodiscina | Nd | Ordovician | |
| Archaeohystrichosphaeridium | Archaeohystrichosphaeridium | Nd | Ordovician | |
| Arcosphaeridium | Arcosphaeridium | Nd | Ordovician | |
| Aremoricanium | Aremoricanium | Nd | Ordovician | |
| Arkonia | Arkonia | Nd | Ordovician | |
| Aryballomorpha | Aryballomorpha | Nd | Ordovician | |
| Asketopalla | Asketopalla | Nd | Ordovician | |
| Athabascaella | Athabascaella | Nd | Ordovician | |
| Attritasporites | Attritasporites | Nd | Ordovician | |
| Aureotesta | Aureotesta | Nd | Ordovician | |
| Axisphaeridium | Axisphaeridium | Nd | Ordovician | |
| Bacisphaeridium | Bacisphaeridium | Nd | Ordovician | |
| Baiomeniscus | Baiomeniscus | Nd | Ordovician | |
| Baltisphaera | Baltisphaera | Nd | Ordovician | |
| Baltisphaeridium | Baltisphaeridium | Nd | Ordovician | |
| Baltisphaerosum | Baltisphaerosum | Nd | Ordovician |