Genus Heterocystinella
- Species total:
- 2
- Age range:
- 115.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Heterocystinella | Cenomanian | Cenomanian |
|
| Heterocystinella bulbosa | Middle Cretaceous | Middle Cretaceous |
|
Genus Heterocystinella
- Species total:
- 2
- Age range:
- 115.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Heterocystinella | Cenomanian | Cenomanian |
|
| Heterocystinella bulbosa | Middle Cretaceous | Middle Cretaceous |
|