| Name | From | To | Age range |
|---|---|---|---|
| Calamostachys | Pennsylvanian | Late Pennsylvanian |
|
| Calamostachys americana | Carboniferous | Late Pennsylvanian |
|
| Calamostachys binneyana | Tournaisian | Namurian |
|
| Calamostachys calathifera | Carboniferous | Carboniferous |
|
| Calamostachys casheana | Carboniferous | Carboniferous |
|
| Calamostachys dumasii | Rotliegendes | Rotliegendes |
|
| Calamostachys germanica | Paleozoic | Paleozoic |
|
| Calamostachys inversibractis | Carboniferous | Carboniferous |
|
| Calamostachys longibracteata | Carboniferous | Carboniferous |
|
| Calamostachys ludwigii | Carboniferous | Carboniferous |
|
| Calamostachys magnae-crucis | Carboniferous | Carboniferous |
|
| Calamostachys noei | Carboniferous | Carboniferous |
|
| Calamostachys paniculata | Carboniferous | Carboniferous |
|
| Calamostachys solmsii | Carboniferous | Carboniferous |
|
| Calamostachys sp | Paleozoic | Early Permian |
|
| Calamostachys thompsonii | Carboniferous | Carboniferous |
|
| Calamostachys thuringiaca | Carboniferous | Carboniferous |
|