Genus Alasphaera
- Species total:
- 4
- Age range:
- 123 - 103.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Alasphaera | Early Hauterivian | Early Albian |
|
| Alasphaera caudata | Hauterivian | Barremian |
|
| Alasphaera tuberculata | Early Hauterivian | Early Hauterivian |
|
| Alasphaera verrucosa | Hauterivian | Barremian |
|