Genus Polysphaeridium
- Species total:
- 82
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polysphaeridium tianshanense | Paleocene | Paleocene |
|
| Polysphaeridium paulinae | Bajocian | Bajocian |
|
| Polysphaeridium sp.A Yun,1987 | Miocene | Miocene |
|
| Polysphaeridium follium | Early Cretaceous | Early Cretaceous |
|
| Polysphaeridium microtriainum | Lutetian | Lutetian |
|
| Polysphaeridium sp.A Byun & Yun,1992 | Langhian | Langhian |
|
| Polysphaeridium trompetum | Paleocene | Paleocene |
|
| Polysphaeridium marsupium | Early Cretaceous | Early Cretaceous |
|
| Polysphaeridium caminuspinum | Hettangian | Hettangian |
|
| Polysphaeridium sp.A Brow.& Down.,1985 | Nd | Nd |
|
| Polysphaeridium belgicum | Eocene | Eocene |
|
| Polysphaeridium cephalum | Lutetian | Lutetian |
|
| Polysphaeridium fabium | Early Cretaceous | Early Cretaceous |
|
| Polysphaeridium sulaimenii | Nd | Nd |
|
| Polysphaeridium sp.2 | Late Albian | Late Albian |
|
| Polysphaeridium vestitum | Early Callovian | Early Callovian |
|
| Polysphaeridium sp.4 Zait.,1967 | Late Cretaceous | Late Cretaceous |
|