Genus Genus-I
- Species total:
- 3
- Age range:
- 299 - 73.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Genus-I sp | Santonian | Early Campanian |
|
| Genus-I sp.A | Desmoinesian | Desmoinesian |
|
| Genus-I sp.B | Permian | Permian |
|