Genus Tetrataenium
- Species total:
- 4
- Age range:
- 58 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tetrataenium sp | Thanetian | Thanetian |
|
| Tetrataenium type 1 | Thanetian | Thanetian |
|
| Tetrataenium type 2 | Sparnacian | Sparnacian |
|
| Tetrataenium type 3 | Thanetian | Thanetian |
|