Genus Gen.et sp.indet.
- Species total:
- 54
- Age range:
- 547.73 - 1.8 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Gen.et sp.indet. form b Eise.& Cook.,1960 | Early Cretaceous | Early Cretaceous |
|
| Gen.et sp.indet. form a Eise.& Cook.,1960 | Late Jurassic | Aptian |
|
| Gen.et sp.indet. | Tremadocian | Late Neogene |
|