Genus Symplassosphaeridium
- Species total:
- 32
- Age range:
- 4100 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Symplassosphaeridium sp. Germ.et al,1989 | Late Riphean | Early Paleozoic |
|
| Symplassosphaeridium sp. Hofm.& Jack.,1994 | Proterozoic | Proterozoic |
|
| Symplassosphaeridium sp. Hofm.& Jack.,1996 | Middle Proterozoic | Middle Proterozoic |
|
| Symplassosphaeridium sp. Ilie.,1974 | Precambriam | Cambrian |
|
| Symplassosphaeridium sp.A | Precambriam | Precambriam |
|
| Symplassosphaeridium sp.A Salu.et al,1971 | Middle Proterozoic | Late Proterozoic |
|
| Symplassosphaeridium sp.B | Precambriam | Precambriam |
|
| Symplassosphaeridium sp.B Salu.et al,1971 | Middle Proterozoic | Late Proterozoic |
|
| Symplassosphaeridium sp.Visa.et al,1976 | Ordovician | Ordovician |
|
| Symplassosphaeridium specusum | Late Proterozoic | Cambrian |
|
| Symplassosphaeridium subcoalitum | Precambriam | Silurian |
|
| Symplassosphaeridium subsoalitum | Vendian | Vendian |
|
| Symplassosphaeridium tumidulum | Early Proterozoic | Carboniferous |
|
| Symplassosphaeridium undosum | Early Riphean | Late Riphean |
|
| Symplassosphaeridium vesiculiferum | Early Cambrian | Early Cambrian |
|