Genus Polysphaeridium
- Species total:
- 82
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polysphaeridium variabile | Paleocene | Paleocene |
|
| Polysphaeridium tribrachiosum | Early Cretaceous | Early Cretaceous |
|
| Polysphaeridium amalthei | Pliensbachian | Pliensbachian |
|
| Polysphaeridium parvum | Miocene | Miocene |
|
| Polysphaeridium lemniscatum | Early Tertiary | Early Tertiary |
|
| Polysphaeridium pachydermum | Nd | Nd |
|
| Polysphaeridium sulaimanii | Late Jurassic | Late Jurassic |
|
| Polysphaeridium tianshanense | Paleocene | Paleocene |
|
| Polysphaeridium paulinae | Bajocian | Bajocian |
|
| Polysphaeridium follium | Early Cretaceous | Early Cretaceous |
|
| Polysphaeridium sp.A Yun,1987 | Miocene | Miocene |
|
| Polysphaeridium microtriainum | Lutetian | Lutetian |
|
| Polysphaeridium sp.A Byun & Yun,1992 | Langhian | Langhian |
|
| Polysphaeridium trompetum | Paleocene | Paleocene |
|