Genus Cymososphaeridium
- Species total:
- 5
- Age range:
- 151 - 15 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cymososphaeridium validum | Middle Berriasian | Burdigalian |
|
| Cymososphaeridium sp.I Dave.,1982 | Early Valanginian | Early Hauterivian |
|
| Cymososphaeridium sp | Early Kimmeridgian | Early Kimmeridgian |
|
| Cymososphaeridium benmorense | Arowhanan | Maastrichtian |
|
| Cymososphaeridium | Hauterivian | Hauterivian |
|