Genus Biantholithus
- Species total:
- 2
- Age range:
- 55.67 - 3.93 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Biantholithus sp. Bram.& Mart.,1964 | Late Thanetian | Early Pliocene |
|
| Biantholithus sparsus | Late Thanetian | Early Pliocene |
|