Genus Achomosphaera
- Species total:
- 97
- Age range:
- 514 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Achomosphaera microreticulata | Maastrichtian | Danian |
|
| Achomosphaera regiensis | Late Vraconian | Danian |
|
| Achomosphaera mariannae | Late Cretaceous | Danian |
|
| Achomosphaera sp.B | Albian | Maastrichtian |
|
| Achomosphaera bulla | Campanian | Early Maestrichtian |
|
| Achomosphaera heterostylis | Cenomanian | Campanian |
|
| Achomosphaera fenestra | Early Campanian | Middle Campanian |
|
| Achomosphaera sp.A Kirs.,1991 | Early Campanian | Middle Campanian |
|
| Achomosphaera verdieri | Middle Berriasian | Santonian |
|
| Achomosphaera sp.B Khow.& Jain,1992 | Hauterivian | Barremian |
|
| Achomosphaera sp.A Back.,1988 | Tithonian | Barremian |
|
| Achomosphaera sp.A Khow.& Jain,1992 | Hauterivian | Barremian |
|