Genus Semitectotriporites
- Species total:
- 3
- Age range:
- 68.5 - 37.5 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Semitectotriporites | Middle Eocene | Middle Eocene |
|
Semitectotriporites gratus | Maastrichtian | Middle Eocene |
|
Semitectotriporites ratariaensis | Middle Eocene | Late Eocene |
|