Genus Trisectoris
- Species total:
- 6
- Age range:
- 141 - 43.93 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trisectoris | Cretaceous | Paleocene |
|
| Trisectoris costatus | Late Cretaceous | Early Paleocene |
|
| Trisectoris sp | Cretaceous | Early Tertiary |
|
| Trisectoris sp.1 | Santonian | Campanian |
|
| Trisectoris sp.2 | Paleocene | Paleocene |
|
| Trisectoris stoveri | Santonian | Campanian |
|