Genus Tetratropis
- Species total:
- 3
- Age range:
- 86 - 73.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tetratropis | Middle Coniacian | Middle Coniacian |
|
| Tetratropis corbula | Middle Coniacian | Early Santonian |
|
| Tetratropis patina | Middle Coniacian | Early Campanian |
|