Genus Synsphaeridium
- Species total:
- 41
- Age range:
- 4100 - 163.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Synsphaeridium varium | Ordovician | Ordovician |
|
| Synsphaeridium tuberculatum | Middle Ordovician | Early Permian |
|
| Synsphaeridium tenuatum | Late Riphean | Late Riphean |
|
| Synsphaeridium switjasium | Riphean | Cambrian |
|
| Synsphaeridium spinosum | Late Ordovician | Middle Devonian |
|
| Synsphaeridium sp.III | Late Riphean | Vendian |
|
| Synsphaeridium sp.II | Early Riphean | Kudashian |
|
| Synsphaeridium sp.I | Early Riphean | Middle Riphean |
|
| Synsphaeridium sp.A | Middle Algonkian | Middle Algonkian |
|
| Synsphaeridium sp.3 | Late Riphean | Kudashian |
|
| Synsphaeridium sp.2 Comb.,1967 | Early Tremadocian | Early Tremadocian |
|
| Synsphaeridium sp.2 | Middle Riphean | Kudashian |
|
| Synsphaeridium sp.1 Cram.& Diez.,1972 | Early Cambrian | Middle Cambrian |
|
| Synsphaeridium sp.1 Cram.& Cram.,1972 | Middle Cambrian | Middle Cambrian |
|
| Synsphaeridium sp.1 | Early Riphean | Middle Riphean |
|
| Synsphaeridium sp. Zang,1995 | Torrensian | Torrensian |
|
| Synsphaeridium sp. Visw.et al,1979 | Late Precambrian | Cambrian |
|