Genus Melanorhachis
- Species total:
- 4
- Age range:
- 500 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Melanorhachis | Nd | Nd |
|
| Melanorhachis brachycladus | Silurian | Silurian |
|
| Melanorhachis regularis | Nd | Nd |
|
| Melanorhachis sp | Ordovician | Ordovician |
|