- 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 |
|---|---|---|---|---|
| Trilobatum | Trilobatum | Nd | Ordovician | |
| Tylotopalla | Tylotopalla | Nd | Ordovician | |
| Uncinisphaera | Uncinisphaera | Nd | Ordovician | |
| Uniporata | Uniporata | Nd | Ordovician | |
| Uranidium | Uranidium | Nd | Ordovician | |
| Vavososphaeridium | Vavososphaeridium | Nd | Ordovician | |
| Vavrdovella | Vavrdovella | Nd | Ordovician | |
| Velatasphaera | Velatasphaera | Nd | Ordovician | |
| Veryhachium | Veryhachium | Nd | Ordovician | |
| Villosacapsula | Villosacapsula | Nd | Ordovician | |
| Virgatasporites | Virgatasporites | Nd | Ordovician | |
| Vogtlandia | Vogtlandia | Nd | Ordovician | |
| Vulcanisphaera | Vulcanisphaera | Nd | Ordovician | |
| Wilsonastrum | Wilsonastrum | Nd | Ordovician | |
| Winwaloeusia | Winwaloeusia | Nd | Ordovician | |
| Yichangia | Yichangia | Nd | Ordovician | |
| Zonooidium | Zonooidium | Nd | Ordovician |