| Name | From | To | Age range |
|---|---|---|---|
| Hexagonifera | Mesozoic | Cenozoic |
|
| Hexagonifera sp.B | Aptian | Aptian |
|
| Hexagonifera laticaudata | Santonian | Santonian |
|
| Hexagonifera sp.B Will.& Brid.,1975 | Nd | Nd |
|
| Hexagonifera echinata | Jackson | Jackson |
|