Genus Helicothrichoides
- Species total:
- 2
- Age range:
- 650 - 500 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helicothrichoides | Vendian | Vendian |
|
| Helicothrichoides waltheri | Vendian | Cambrian |
|
Genus Helicothrichoides
- Species total:
- 2
- Age range:
- 650 - 500 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Helicothrichoides | Vendian | Vendian |
|
| Helicothrichoides waltheri | Vendian | Cambrian |
|