Genus Symplassosphaeridium
- Species total:
- 32
- Age range:
- 4100 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Symplassosphaeridium simplex | Late Proterozoic | Cambrian |
|
| Symplassosphaeridium piluliferum | Early Cambrian | Early Cambrian |
|
| Symplassosphaeridium parvum | Late Precambrian | Late Riphean |
|
| Symplassosphaeridium mycterum | Early Cambrian | Early Cambrian |
|
| Symplassosphaeridium infriatum | Sinian | Sinian |
|
| Symplassosphaeridium incrustatum | Middle Precambrian | Arenigian |
|
| Symplassosphaeridium dictyotum | Late Proterozoic | Cambrian |
|
| Symplassosphaeridium conglutinatum | Vendian | Vendian |
|
| Symplassosphaeridium coalitum | Precambriam | Precambriam |
|
| Symplassosphaeridium cambriense | Middle Cambrian | Middle Cambrian |
|
| Symplassosphaeridium bushimayense | Late Precambrian | Late Precambrian |
|
| Symplassosphaeridium bulbosum | Precambriam | Late Proterozoic |
|
| Symplassosphaeridium biglume | Late Riphean | Silurian |
|
| Symplassosphaeridium ballatum | Middle Cambrian | Middle Cambrian |
|
| Symplassosphaeridium | Precambriam | Permian |
|