| Name | From | To | Age range |
|---|---|---|---|
| Hexagonifera defloccata | Aptian | Maestrichtian |
|
| Hexagonifera cylindrica | Late Jurassic | Cenomanian |
|
| Hexagonifera chlamydata | Cretaceous | Eocene |
|
| Hexagonifera cassidata | Albian | Cenomanian |
|
| Hexagonifera | Mesozoic | Cenozoic |
|