Genus Impletosphaeridium
- Species total:
- 102
- Age range:
- 500 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Impletosphaeridium paucifurcatum | Paleocene | Paleocene |
|
| Impletosphaeridium elongatum | Nd | Nd |
|
| Impletosphaeridium tenue | Paleocene | Paleocene |
|
| Impletosphaeridium nenjiangense | Campanian | Campanian |
|
| Impletosphaeridium granulatum | Albian | Albian |
|
| Impletosphaeridium spiralisetum | Maastrichtian | Maastrichtian |
|
| Impletosphaeridium sp.B Wren.& Hart,1988 | Early Thanetian | Early Thanetian |
|
| Impletosphaeridium tenuifilum | Paleocene | Paleocene |
|
| Impletosphaeridium shandongense | Early Tertiary | Early Tertiary |
|
| Impletosphaeridium sphericum | Late Jurassic | Late Jurassic |
|
| Impletosphaeridium solidum | Jackson | Jackson |
|
| Impletosphaeridium diversispinosum | Thanetian | Thanetian |
|
| Impletosphaeridium paucispinum | Paleocene | Paleocene |
|
| Impletosphaeridium oligacanthum | Danian | Danian |
|
| Impletosphaeridium regulatum | Middle Oligocene | Middle Oligocene |
|
| Impletosphaeridium baculatum | Late Oligocene | Late Oligocene |
|
| Impletosphaeridium erinaceum | Thanetian | Thanetian |
|