Genus Hystrichosphaerid
- Species total:
- 14
- Age range:
- 500 - 40.25 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaerid | Neocomian | Aptian |
|
| Hystrichosphaerid sp | Ordovician | Middle Eocene |
|
| Hystrichosphaerid sp.A | Oligocene | Oligocene |
|
| Hystrichosphaerid sp.B | Early Cretaceous | Cenomanian |
|
| Hystrichosphaerid type 1 | Late Namurian | Late Namurian |
|
| Hystrichosphaerid type 10 | Cenomanian | Coniacian |
|
| Hystrichosphaerid type 2 | Neocomian | Coniacian |
|
| Hystrichosphaerid type 3 | Neocomian | Coniacian |
|
| Hystrichosphaerid type 4 | Cenomanian | Coniacian |
|
| Hystrichosphaerid type 5 | Cenomanian | Coniacian |
|
| Hystrichosphaerid type 6 | Cenomanian | Coniacian |
|
| Hystrichosphaerid type 7 | Cenomanian | Coniacian |
|
| Hystrichosphaerid type 8 | Cenomanian | Coniacian |
|
| Hystrichosphaerid type 9 | Cenomanian | Coniacian |
|