Genus Tetraedrixium
- Species total:
- 7
- Age range:
- 1746.67 - 370 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tetraedrixium | Late Riphean | Vendian |
|
| Tetraedrixium bernaschevium | Late Riphean | Early Cambrian |
|
| Tetraedrixium elegans | Late Riphean | Vendian |
|
| Tetraedrixium minor | Late Precambrian | Late Precambrian |
|
| Tetraedrixium simetricum | Late Ordovician | Late Ordovician |
|
| Tetraedrixium sp | Late Riphean | Early Devonian |
|
| Tetraedrixium tyrassum | Late Riphean | Vendian |
|