Name | From | To | Age range |
---|---|---|---|
Quadraeculina rhomboides | Liassic | Liassic |
|
Quadraeculina falcata | Middle Jurassic | Early Cretaceous |
|
Quadraeculina primigena | Middle Jurassic | Middle Jurassic |
|
Quadraeculina apertus | Middle Callovian | Middle Callovian |
|
Quadraeculina prolongata | Berriasian | Albian |
|
Quadraeculina laticorpina | Early Cretaceous | Early Cretaceous |
|
Quadraeculina exilis | Early Cretaceous | Early Cretaceous |
|