Genus Trematosphaeridium
- Species total:
- 35
- Age range:
- 4100 - 160 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trematosphaeridium medianum | Middle Riphean | Middle Riphean |
|
| Trematosphaeridium minor | Middle Riphean | Middle Riphean |
|
| Trematosphaeridium minutum | Proterozoic | Early Cambrian |
|
| Trematosphaeridium mugodjaricum | Middle Riphean | Late Riphean |
|
| Trematosphaeridium patellare | Late Riphean | Late Riphean |
|
| Trematosphaeridium promineus | Early Cambrian | Early Cambrian |
|
| Trematosphaeridium scabridium | Tremadocian | Early Arenigian |
|
| Trematosphaeridium simplex | Precambriam | Precambriam |
|
| Trematosphaeridium singularum | Late Wenlockian | Late Wenlockian |
|
| Trematosphaeridium sinuatum | Middle Proterozoic | Middle Proterozoic |
|
| Trematosphaeridium sp | Precambriam | Callovian |
|
| Trematosphaeridium sp. Ilie.,1974 | Precambriam | Ordovician |
|
| Trematosphaeridium sp.1 | Tremadocian | Early Gothlandian |
|
| Trematosphaeridium sp.2 | Late Ordovician | Silurian |
|
| Trematosphaeridium subtila | Vendian | Early Cambrian |
|
| Trematosphaeridium tener | Middle Riphean | Middle Riphean |
|
| Trematosphaeridium triviale | Middle Riphean | Middle Riphean |
|