Genus Cymatiosphaera
- Species total:
- 297
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cymatiosphaera boulouardii | Late Cambrian | Ordovician |
|
| Cymatiosphaera bleawykensis | Early Jurassic | Early Jurassic |
|
| Cymatiosphaera blandula | Miocene | Miocene |
|
| Cymatiosphaera blaisdonica | Late Wenlockian | Late Wenlockian |
|
| Cymatiosphaera birvetense | Early Cambrian | Early Cambrian |
|
| Cymatiosphaera bireticula | Middle Frasnian | Middle Frasnian |
|
| Cymatiosphaera bellicosa | Late Cambrian | Early Tremadocian |
|
| Cymatiosphaera belfastensis | Silurian | Silurian |
|
| Cymatiosphaera baikitica | Cambrian | Early Gothlandian |
|
| Cymatiosphaera baicita | Middle Ordovician | Middle Ordovician |
|
| Cymatiosphaera baffinensis | Middle Oligocene | Late Miocene |
|
| Cymatiosphaera baciliferum | Late Gothlandian | Late Gothlandian |
|
| Cymatiosphaera baarstadi | Early Cambrian | Early Cambrian |
|
| Cymatiosphaera aseriensis | Late Llanvirnian | Late Llanvirnian |
|
| Cymatiosphaera asarota | Cenomanian | Danian |
|
| Cymatiosphaera argovejae | Pridolian | Early Siegenian |
|
| Cymatiosphaera areolata | Middle Ordovician | Portlandian |
|