Genus Cyrtospora
- Species total:
- 5
- Age range:
- 395 - 228.25 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cyrtospora clavigera | Early Mississippian | Early Mississippian |
|
| Cyrtospora tiara | Early Famennian | Middle Famennian |
|
| Cyrtospora expleta | Frasnian | Late Frasnian |
|
| Cyrtospora | Early Frasnian | Middle Tournaisian |
|
| Cyrtospora cristifera | Devonian | Griesbachian |
|