| Name | From | To | Age range |
|---|---|---|---|
| Calamostachys tuberculata | Carboniferous | Early Permian |
|
| Calamostachys williamsoniana | Carboniferous | Carboniferous |
|
| Name | From | To | Age range |
|---|---|---|---|
| Calamostachys tuberculata | Carboniferous | Early Permian |
|
| Calamostachys williamsoniana | Carboniferous | Carboniferous |
|