Name | From | To | Age range |
---|---|---|---|
Quadraeculina callaeformis | Late Triassic | Liassic |
|
Quadraeculina annulata | Rhaetian | Liassic |
|
Quadraeculina cibisis | Late Triassic | Liassic |
|
Quadraeculina bitorosa | Late Triassic | Early Jurassic |
|
Quadraeculina macra | Early Triassic | Early Cretaceous |
|
Quadraeculina canadensis | Mesozoic | Early Cretaceous |
|
Quadraeculina falcata | Middle Jurassic | Early Cretaceous |
|
Quadraeculina primitiva | Early Triassic | Early Cretaceous |
|
Quadraeculina ordinata | Early Triassic | Early Cretaceous |
|
Quadraeculina | Late Triassic | Early Albian |
|
Quadraeculina limbata | Mesozoic | Albian |
|
Quadraeculina minor | Early Triassic | Albian |
|
Quadraeculina enigmata | Early Triassic | Albian |
|
Quadraeculina prolongata | Berriasian | Albian |
|
Quadraeculina sp | Early Triassic | Tertiary |
|
Quadraeculina anellaeformis | Permian | Early Pleistocene |
|
Quadraeculina sp. Zhan.,1978 | Mesozoic | Mesozoic |
|