Genus Costatilobus
- Species total:
- 10
- Age range:
- 570 - 366 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Costatilobus | Ordovician | Ordovician |
|
| Costatilobus aremoricanus | Late Ludlovian | Emsian |
|
| Costatilobus bulbosus | Arenigian | Llandeilian |
|
| Costatilobus grandispinosus | Middle Caradocian | Late Caradocian |
|
| Costatilobus rhabdocladius | Arenigian | Ashgillian |
|
| Costatilobus sp | Late Arenigian | Early Llanvirnian |
|
| Costatilobus striatus | Arenigian | Ashgillian |
|
| Costatilobus traumaticus | Llandoverian | Wenlockian |
|
| Costatilobus trifidus | Middle Caradocian | Middle Caradocian |
|
| Costatilobus undulatus | Early Paleozoic | Eifelian |
|