Genus Trigonobalanoidea
- Species total:
- 3
- Age range:
- 22.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trigonobalanoidea americana | Nd | Nd |
|
| Trigonobalanoidea exacantha | Early Miocene | Early Miocene |
|
| Trigonobalanoidea sp | Early Miocene | Early Miocene |
|