- 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 |
|---|---|---|---|---|
| Cymatiosphaera | Cymatiosphaera | Nd | Ordovician | Cenozoic |
| Pterospermopsis | Pterospermopsis | Nd | Silurian | Cenozoic |
| Prismatomorphitae | Prismatomorphitae | Nd | Devonian | |
| Micrhystridium | Micrhystridium | Nd | Carboniferous | Triassic |
| Metaleiofusa | Metaleiofusa | Nd | Early Jurassic | |
| Domasia | Domasia | Nd | Early Jurassic | |
| Cymatiosphaera | Cymatiosphaera | Nd | Early Jurassic | |
| Stephanelytron | Stephanelytron | Nd | Late Jurassic | |
| Diplotesta | Diplotesta | Nd | Late Jurassic | |
| Angularia | Angularia | Nd | Cretaceous | |
| Dioxya | Dioxya | Nd | Cretaceous | |
| Disphaeria | Disphaeria | Nd | Cretaceous | |
| Diplofusa | Diplofusa | Nd | Cretaceous | |
| Pterosperma | Pterosperma | Nd | Eocene | |
| Leiosphaeridia | Leiosphaeridia | Nd | Eocene | |
| Pediastrum | Pediastrum | Nd | Eocene | |
| Oomomorphitae | Oomomorphitae | Nd | Eocene |