Genus Synsphaeridium
- Species total:
- 41
- Age range:
- 4100 - 163.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Synsphaeridium sp.I | Early Riphean | Middle Riphean |
|
| Synsphaeridium sp.1 | Early Riphean | Middle Riphean |
|
| Synsphaeridium sp.2 | Middle Riphean | Kudashian |
|
| Synsphaeridium sp.II | Early Riphean | Kudashian |
|
| Synsphaeridium sp.3 | Late Riphean | Kudashian |
|
| Synsphaeridium sp. Vida.,1976 | Late Proterozoic | Vendian |
|
| Synsphaeridium sp.III | Late Riphean | Vendian |
|
| Synsphaeridium sp. Guni.,1990 | Vendian | Early Cambrian |
|
| Synsphaeridium sp.1 Cram.& Diez.,1972 | Early Cambrian | Middle Cambrian |
|
| Synsphaeridium sp. Hage.,1989 | Early Cambrian | Middle Cambrian |
|
| Synsphaeridium sp. Visw.et al,1979 | Late Precambrian | Cambrian |
|
| Synsphaeridium switjasium | Riphean | Cambrian |
|
| Synsphaeridium gotlandicum | Ordovician | Silurian |
|
| Synsphaeridium sp. Le H.et al,1995 | Rhuddanian | Ludfordian |
|
| Synsphaeridium spinosum | Late Ordovician | Middle Devonian |
|
| Synsphaeridium compactum | Ordovician | Early Carboniferous |
|
| Synsphaeridium sp | Precambriam | Middle Carboniferous |
|