Genus Impletosphaeridium
- Species total:
- 102
- Age range:
- 500 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Impletosphaeridium xinjiangense | Paleocene | Paleocene |
|
| Impletosphaeridium williamsii | Cenomanian | Early Turonian |
|
| Impletosphaeridium whitei | Berriasian | Early Ludian |
|
| Impletosphaeridium varispinosum | Late Bathonian | Late Callovian |
|
| Impletosphaeridium tribuliferum | Late Bathonian | Ryazanian |
|
| Impletosphaeridium transfodum | Santonian | Late Neogene |
|
| Impletosphaeridium tianshanense | Early Eocene | Early Eocene |
|
| Impletosphaeridium tianjinense | Early Oligocene | Middle Oligocene |
|
| Impletosphaeridium tenuifilum | Paleocene | Paleocene |
|
| Impletosphaeridium tenue | Paleocene | Paleocene |
|
| Impletosphaeridium spiralisetum | Maastrichtian | Maastrichtian |
|
| Impletosphaeridium sphericum | Late Jurassic | Late Jurassic |
|
| Impletosphaeridium sp.I Manu.,1976 | Early Eocene | Early Pleistocene |
|
| Impletosphaeridium sp.I | Late Eocene | Miocene |
|
| Impletosphaeridium sp.B Wren.& Hart,1988 | Early Thanetian | Early Thanetian |
|
| Impletosphaeridium sp.B | Eocene | Eocene |
|
| Impletosphaeridium sp.A Mao & Mohr,1995 | Middle Eocene | Middle Eocene |
|