Genus Arkellidinium
- Species total:
- 3
- Age range:
- 163.5 - 157 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Arkellidinium | Late Callovian | Late Callovian |
|
| Arkellidinium apiapertum | Late Jurassic | Late Jurassic |
|
| Arkellidinium triapertum | Callovian | Early Oxfordian |
|