Genus Quadraeculina

Species total:
24
Age range:
280 - 1.2 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Quadraeculina anellaeformis Permian Early Pleistocene
Quadraeculina macra Early Triassic Early Cretaceous
Quadraeculina limbata Mesozoic Albian
Quadraeculina minor Early Triassic Albian
Quadraeculina enigmata Early Triassic Albian
Quadraeculina sp Early Triassic Tertiary
Quadraeculina humilis Mesozoic Mesozoic
Quadraeculina canadensis Mesozoic Early Cretaceous
Quadraeculina primitiva Early Triassic Early Cretaceous
Quadraeculina ordinata Early Triassic Early Cretaceous
Quadraeculina sp. Zhan.,1978 Mesozoic Mesozoic
Quadraeculina Late Triassic Early Albian
Quadraeculina bitorosa Late Triassic Early Jurassic
Quadraeculina torus Late Triassic Late Triassic
Quadraeculina cibisis Late Triassic Liassic
Quadraeculina callaeformis Late Triassic Liassic
Quadraeculina annulata Rhaetian Liassic