Genus Cleistosphaeridium
- Species total:
- 135
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cleistosphaeridium paucifurcatum | Paleocene | Paleocene |
|
| Cleistosphaeridium pectiniforme | Late Eocene | Miocene |
|
| Cleistosphaeridium perforoconum | Turonian | Santonian |
|
| Cleistosphaeridium pilosum | Late Jurassic | Late Jurassic |
|
| Cleistosphaeridium placacanthum | Middle Eocene | Middle Miocene |
|
| Cleistosphaeridium polyacanthum | Callovian | Early Barremian |
|
| Cleistosphaeridium polyozon | Late Oligocene | Late Oligocene |
|
| Cleistosphaeridium polyozum | Nd | Nd |
|
| Cleistosphaeridium polypes | Bajocian | Late Miocene |
|
| Cleistosphaeridium polypetellum | Early Eocene | Middle Eocene |
|
| Cleistosphaeridium polytrichum | Late Pliensbachian | Late Oligocene |
|
| Cleistosphaeridium radiculopse | Late Cenomanian | Maastrichtian |
|
| Cleistosphaeridium regulatum | Middle Oligocene | Middle Oligocene |
|
| Cleistosphaeridium reticuloidium | Oligocene | Oligocene |
|
| Cleistosphaeridium sarmentum | Late Callovian | Early Oxfordian |
|
| Cleistosphaeridium selseyense | Early Eocene | Middle Eocene |
|
| Cleistosphaeridium separatum | Ryazanian | Middle Valanginian |
|