Genus Hystrichosphaera
- Species total:
- 88
- Age range:
- 1600 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Hystrichosphaera pterota | Aptian | Early Maastrichtian |
|
| Hystrichosphaera ramosa | Mesozoic | Holocene |
|
| Hystrichosphaera reginaldii | Mesozoic | Mesozoic |
|
| Hystrichosphaera rhizopodiphora | Nd | Nd |
|
| Hystrichosphaera rubina | Quaternary | Holocene |
|
| Hystrichosphaera salpingophora | Late Turonian | Late Turonian |
|
| Hystrichosphaera scabrata | Pleistocene | Pleistocene |
|
| Hystrichosphaera scabrosa | Middle Albian | Early Maestrichtian |
|
| Hystrichosphaera sergipensis | Early Eocene | Early Eocene |
|
| Hystrichosphaera setosa | Late Bathonian | Maastrichtian |
|
| Hystrichosphaera sp | Late Proterozoic | Pleistocene |
|
| Hystrichosphaera sp. Dave.et al,1966 | Early Barremian | Early Barremian |
|
| Hystrichosphaera sp. Evit.,1961 | Tarannon | Early Gedinnian |
|
| Hystrichosphaera sp. Mart.& Rous.,1966 | Late Miocene | Early Pliocene |
|
| Hystrichosphaera sp. Salu.et al,1969 | Early Eocene | Early Eocene |
|
| Hystrichosphaera sp.1 | Late Cretaceous | Early Oligocene |
|
| Hystrichosphaera sp.2 | Cenomanian | Coniacian |
|