| Name | From | To | Age range |
|---|---|---|---|
| Kiokansium sp.GAL | Early Cenomanian | Early Cenomanian |
|
| Kiokansium unituberculatum | Cretaceous | Maastrichtian |
|
| Kiokansium vetusculum | Early Barremian | Early Barremian |
|
| Kiokansium williamsii | Middle Barremian | Cenomanian |
|