Genus Achomosphaera
- Species total:
- 97
- Age range:
- 514 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Achomosphaera regiensis | Late Vraconian | Danian |
|
| Achomosphaera recurvatum | Campanian | Campanian |
|
| Achomosphaera recurvata | Nd | Nd |
|
| Achomosphaera ramulifera | Early Cretaceous | Holocene |
|
| Achomosphaera ramosissima | Paleocene | Paleocene |
|
| Achomosphaera ramosasimilis | Early Santonian | Piacenzian |
|
| Achomosphaera ramosa | Santonian | Oligocene |
|
| Achomosphaera perforata | Early Miocene | Tiglian |
|
| Achomosphaera pachyderma | Early Aptian | Early Aptian |
|
| Achomosphaera operculata | Late Cretaceous | Danian |
|
| Achomosphaera neptuni | Oxfordian | Montian |
|
| Achomosphaera multifurcata | Late Paleocene | Chattian |
|
| Achomosphaera minuta | Eocene | Eocene |
|
| Achomosphaera minor | Paleocene | Paleocene |
|
| Achomosphaera microtriaina | Early Ilerdian | Early Oligocene |
|
| Achomosphaera microreticulata | Maastrichtian | Danian |
|
| Achomosphaera membraniphora | Middle Cretaceous | Middle Miocene |
|