Name | From | To | Age range |
---|---|---|---|
Quadraeculina primigena | Middle Jurassic | Middle Jurassic |
|
Quadraeculina primitiva | Early Triassic | Early Cretaceous |
|
Quadraeculina prolongata | Berriasian | Albian |
|
Quadraeculina rhomboides | Liassic | Liassic |
|
Quadraeculina sp | Early Triassic | Tertiary |
|
Quadraeculina sp. Zhan.,1978 | Mesozoic | Mesozoic |
|
Quadraeculina torus | Late Triassic | Late Triassic |
|