Genus Geminospora
- Species total:
- 78
- Age range:
- 540 - 105 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Geminospora membrana | Givetian | Frasnian |
|
| Geminospora microdenta | Givetian | Givetian |
|
| Geminospora sp. McGr.& Owen.,1966 | Givetian | Givetian |
|
| Geminospora parvibasilaria | Givetian | Early Visean |
|
| Geminospora maculata | Givetian | Late Frasnian |
|
| Geminospora obtusispinosa | Givetian | Givetian |
|
| Geminospora compta | Early Givetian | Early Givetian |
|
| Geminospora nodosa | Givetian | Givetian |
|
| Geminospora micrograna | Givetian | Chautauquan |
|
| Geminospora piliformis | Early Givetian | Famennian |
|
| Geminospora plicata | Givetian | Famennian |
|
| Geminospora decorata | Early Givetian | Early Givetian |
|
| Geminospora pustulata | Givetian | Givetian |
|
| Geminospora meonacantha | Early Givetian | Early Givetian |
|
| Geminospora tenuispora | Givetian | Givetian |
|
| Geminospora bislimbata | Givetian | Frasnian |
|
| Geminospora egregius | Early Givetian | Early Givetian |
|