Genus Didymograptus
- Species total:
- 2
- Age range:
- 500 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Didymograptus murchisoni | Late Llanvirnian | Late Llanvirnian |
|
| Didymograptus sp | Early Ordovician | Early Ordovician |
|