Genus Impletosphaeridium
- Species total:
- 102
- Age range:
- 500 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Impletosphaeridium primordiale | Ordovician | Ordovician |
|
| Impletosphaeridium | Mesozoic | Cenozoic |
|
| Impletosphaeridium placacanthum | Middle Dogger | Middle Miocene |
|
| Impletosphaeridium polytrichum | Late Bajocian | Early Ryazanian |
|
| Impletosphaeridium ehrenbergii | Early Bathonian | Middle Volgian |
|
| Impletosphaeridium tribuliferum | Late Bathonian | Ryazanian |
|
| Impletosphaeridium varispinosum | Late Bathonian | Late Callovian |
|
| Impletosphaeridium lumectum | Middle Callovian | Early Ryazanian |
|
| Impletosphaeridium sphericum | Late Jurassic | Late Jurassic |
|
| Impletosphaeridium sarmentum | Late Oxfordian | Late Oxfordian |
|
| Impletosphaeridium polyacanthum | Kimmeridgian | Kimmeridgian |
|
| Impletosphaeridium capillaceum | Late Kimmeridgian | Berriasian |
|
| Impletosphaeridium whitei | Berriasian | Early Ludian |
|
| Impletosphaeridium sp | Neocomian | Pleistocene |
|
| Impletosphaeridium multifurcillatum | Hauterivian | Early Barremian |
|
| Impletosphaeridium furcillatum | Hauterivian | Early Barremian |
|
| Impletosphaeridium granulatum | Albian | Albian |
|