Name | From | To | Age range |
---|---|---|---|
Hexagonifera sp.B | Aptian | Aptian |
|
Hexagonifera sp.B Will.& Brid.,1975 | Nd | Nd |
|
Hexagonifera suspecta | Callovian | Danian |
|
Hexagonifera vermiculata | Turonian | Eocene |
|
Hexagonifera verrucosa | Late Campanian | Early Maestrichtian |
|