Genus Exochosphaeridium
- Species total:
- 45
- Age range:
- 230 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Exochosphaeridium cenomaniense | Early Albian | Early Turonian |
|
| Exochosphaeridium caputmedusae | Albian | Cenomanian |
|
| Exochosphaeridium capitellum | Santonian | Early Campanian |
|
| Exochosphaeridium brevitruncatum | Campanian | Maastrichtian |
|
| Exochosphaeridium brevispinum | Middle Cretaceous | Early Turonian |
|
| Exochosphaeridium brevispinosum | Middle Turonian | Middle Oligocene |
|
| Exochosphaeridium bifidum | Kimmeridgian | Early Miocene |
|
| Exochosphaeridium arnace | Middle Berriasian | Maestrichtian |
|
| Exochosphaeridium alisitosense | Late Albian | Late Albian |
|
| Exochosphaeridium acuminatum | Santonian | Early Maastrichtian |
|
| Exochosphaeridium | Mesozoic | Recent |
|