- Author:
- Downie,C.
- Year:
- 1967
- Title:
- The geological history of the microplankton.
- Reference:
- Downie,C. (1967) The geological history of the microplankton. Review of Palaeobotany and Palynology Vol. 1 P. 269- 281
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Acanthomorphitae | Acanthomorphitae | Nd | Cambrian | Cenozoic |
| Angularia | Angularia | Nd | Cretaceous | |
| Archaeodiscina | Archaeodiscina | Nd | Nd | |
| Archaeofavosina | Archaeofavosina | Nd | Nd | |
| Archaeohystrichosphaeridium | Archaeohystrichosphaeridium | Nd | Early Cambrian | Middle Cambrian |
| Archaeoperisaccus | Archaeoperisaccus | Nd | Nd | |
| Archaeopterusina | Archaeopterusina | Nd | Nd | |
| Archaeosacculina | Archaeosacculina | Nd | Nd | |
| Arpylorus | Arpylorus | Nd | Silurian | |
| Arpylorus | Arpylorus | Nd | Eocene | |
| Bacisphaeridium | Bacisphaeridium | Nd | Ordovician | |
| Baltisphaeridium | Baltisphaeridium | Nd | Ordovician | |
| Baltisphaeridium | Baltisphaeridium cristatum | Nd | Early Ordovician | |
| Botryococcus | Botryococcus | Nd | Carboniferous | |
| Cymatiosphaera | Cymatiosphaera | Nd | Ordovician | Cenozoic |
| Cymatiosphaera | Cymatiosphaera | Nd | Early Jurassic | |
| Deflandrastrum | Deflandrastrum | Nd | Silurian |