Genus Muellerisphaerids
- Species total:
- 1
- Age range:
- 431 - 423 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Muellerisphaerids sp. Loyd.,1988 | Middle Llandoverian | Late Llandoverian |
|
Genus Muellerisphaerids
- Species total:
- 1
- Age range:
- 431 - 423 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Muellerisphaerids sp. Loyd.,1988 | Middle Llandoverian | Late Llandoverian |
|