Genus Polysphaeridium
- Species total:
- 82
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polysphaeridium sulaimenii | Nd | Nd |
|
| Polysphaeridium taiwanianum | Miocene | Miocene |
|
| Polysphaeridium tianshanense | Paleocene | Paleocene |
|
| Polysphaeridium tribrachiosum | Early Cretaceous | Early Cretaceous |
|
| Polysphaeridium trompetum | Paleocene | Paleocene |
|
| Polysphaeridium type 460 | Late Albian | Early Cenomanian |
|
| Polysphaeridium type 461 | Late Albian | Early Cenomanian |
|
| Polysphaeridium variabile | Paleocene | Paleocene |
|
| Polysphaeridium vestitum | Early Callovian | Early Callovian |
|
| Polysphaeridium warrenii | Berriasian | Early Cenomanian |
|
| Polysphaeridium williamsi | Cenomanian | Paleocene |
|
| Polysphaeridium williamsii | Cenomanian | Early Turonian |
|
| Polysphaeridium williereae | Senonian | Senonian |
|
| Polysphaeridium zoharyi | Paleocene | Holocene |
|