Genus Fractoricoronula
- Species total:
- 5
- Age range:
- 500 - 443.3 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Fractoricoronula | Ordovician | Ordovician |
|
| Fractoricoronula checkleyensis | Sheinwoodian | Sheinwoodian |
|
| Fractoricoronula cubitalia | Late Ordovician | Late Ordovician |
|
| Fractoricoronula sp | Ashgillian | Ashgillian |
|
| Fractoricoronula trirhetica | Caradocian | Longvillian |
|