- 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 |
|---|---|---|---|---|
| Abacum | Abacum | Nd | Ordovician | |
| Acanthodiacrodium | Acanthodiacrodium | Nd | Ordovician | |
| Acantholigotriletes | Acantholigotriletes | Nd | Ordovician | |
| Acantholigotriletum | Acantholigotriletum | Nd | Ordovician | |
| Acanthorytidodiacrodium | Acanthorytidodiacrodium | Nd | Ordovician | |
| Acanthozonodiacrodium | Acanthozonodiacrodium | Nd | Ordovician | |
| Acrosphaeridium | Acrosphaeridium | Nd | Ordovician | |
| Actinotodissus | Actinotodissus | Nd | Ordovician | |
| Actipilion | Actipilion | Nd | Ordovician | |
| Adorfia | Adorfia | Nd | Ordovician | |
| Adornofusa | Adornofusa | Nd | Ordovician | |
| Akomachra | Akomachra | Nd | Ordovician | |
| Ammonidium | Ammonidium | Nd | Ordovician | |
| Ampullula | Ampullula | Nd | Ordovician | |
| Annulum | Annulum | Nd | Ordovician | |
| Anomaloplaisium | Anomaloplaisium | Nd | Ordovician | |
| Aranidium | Aranidium | Nd | Ordovician |