Genus Rhachosoarium
- Species total:
- 3
- Age range:
- 570 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Rhachosoarium | Ordovician | Ordovician |
|
| Rhachosoarium lappaceum | Early Paleozoic | Early Paleozoic |
|
| Rhachosoarium sp | Middle Ordovician | Middle Ordovician |
|