Genus Glyptosphaera
- Species total:
- 5
- Age range:
- 435 - 395 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Glyptosphaera | Ludlovian | Ludlovian |
|
| Glyptosphaera dentatum | Late Llandoverian | Late Llandoverian |
|
| Glyptosphaera levicostata | Early Frasnian | Early Frasnian |
|
| Glyptosphaera sp.A Hash.& Play.,1998 | Frasnian | Frasnian |
|
| Glyptosphaera speciosa | Early Llandoverian | Ludlovian |
|