Genus Achomosphaera
- Species total:
- 97
- Age range:
- 514 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Achomosphaera grallaeformis | Eocene | Late Miocene |
|
| Achomosphaera microtriaina | Early Ilerdian | Early Oligocene |
|
| Achomosphaera multifurcata | Late Paleocene | Chattian |
|
| Achomosphaera improcera | Late Paleocene | Middle Eocene |
|
| Achomosphaera linifera | Late Paleocene | Middle Ypresian |
|
| Achomosphaera spongiosa | Late Paleocene | Early Pleistocene |
|
| Achomosphaera sp. Drug.,1967 | Danian | Danian |
|
| Achomosphaera ramosissima | Paleocene | Paleocene |
|
| Achomosphaera septata | Teurian | Heretaungan |
|
| Achomosphaera minor | Paleocene | Paleocene |
|
| Achomosphaera longispinosa | Paleocene | Early Eocene |
|
| Achomosphaera sp. Salu.& Kind.,1981 | Maastrichtian | Danian |
|
| Achomosphaera microreticulata | Maastrichtian | Danian |
|
| Achomosphaera sp.B Kirs.,1991 | Early Maastrichtian | Early Maastrichtian |
|
| Achomosphaera antleriformis | Early Maastrichtian | Early Maastrichtian |
|
| Achomosphaera hyperacantha | Late Campanian | Oligocene |
|
| Achomosphaera recurvatum | Campanian | Campanian |
|