Genus Utricellina
- Species total:
- 3
- Age range:
- 174 - 94 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Utricellina | Middle Jurassic | Middle Jurassic |
|
Utricellina glabrescens | Early Cretaceous | Cenomanian |
|
Utricellina simplicissima | Middle Jurassic | Cenomanian |
|