Genus Rugulidium
- Species total:
- 9
- Age range:
- 570 - 392.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Rugulidium | Ordovician | Early Ludlovian |
|
| Rugulidium microrugulatum | Tremadocian | Late Arenigian |
|
| Rugulidium quietum | Early Paleozoic | Early Ludlovian |
|
| Rugulidium rarirrugulatum | Early Paleozoic | Early Llanvirnian |
|
| Rugulidium rugulatum | Early Paleozoic | Early Llanvirnian |
|
| Rugulidium scabratum | Tremadocian | Early Gedinnian |
|
| Rugulidium sp | Late Llandoverian | Late Llandoverian |
|
| Rugulidium triangulatum | Early Paleozoic | Early Llanvirnian |
|
| Rugulidium varirugulatum | Tremadocian | Late Arenigian |
|