Genus Hystrichosphaerina
- Species total:
- 17
- Age range:
- 178 - 11.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaerina exilimura | Late Thanetian | Late Thanetian |
|
| Hystrichosphaerina varians | Campanian | Maastrichtian |
|
| Hystrichosphaerina sp.1 | Early Valanginian | Early Valanginian |
|
| Hystrichosphaerina sp.A | Tithonian | Hauterivian |
|
| Hystrichosphaerina crusta | Kimmeridgian | Middle Tithonian |
|
| Hystrichosphaerina sp. Ibra.& Schr.,1996 | Kimmeridgian | Early Aptian |
|
| Hystrichosphaerina turonica | Kimmeridgian | Coniacian |
|
| Hystrichosphaerina sarjeantii | Early Kimmeridgian | Middle Tithonian |
|
| Hystrichosphaerina sp | Oxfordian | Barremian |
|
| Hystrichosphaerina varispinosa | Late Jurassic | Late Jurassic |
|
| Hystrichosphaerina neuquina | Late Jurassic | Aptian |
|
| Hystrichosphaerina calatha | Early Oxfordian | Early Oxfordian |
|
| Hystrichosphaerina anthophora | Oxfordian | Albian |
|
| Hystrichosphaerina paracalatha | Middle Callovian | Middle Callovian |
|
| Hystrichosphaerina | Bathonian | Early Miocene |
|
| Hystrichosphaerina schindewolfii | Dogger | Middle Miocene |
|
| Hystrichosphaerina orbifera | Toarcian | Berriasian |
|