Genus Yvonniellina
- Species total:
- 11
- Age range:
- 54.5 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Yvonniellina campanula | Early Eocene | Early Eocene |
|
| Yvonniellina capitiformis | Early Eocene | Early Eocene |
|
| Yvonniellina concava | Early Eocene | Early Eocene |
|
| Yvonniellina dimediaglobosa | Early Eocene | Early Eocene |
|
| Yvonniellina feugueuri | Early Eocene | Early Eocene |
|
| Yvonniellina glabra | Middle Eocene | Middle Eocene |
|
| Yvonniellina oedelemensis | Middle Eocene | Late Eocene |
|
| Yvonniellina sp.A | Middle Eocene | Middle Eocene |
|
| Yvonniellina sp.B | Late Eocene | Late Eocene |
|
| Yvonniellina tongerenensis | Early Oligocene | Early Oligocene |
|
| Yvonniellina variabilis | Early Eocene | Middle Eocene |
|