Genus Quadraeculina

Species total:
24
Age range:
280 - 1.2 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Quadraeculina prolongata Berriasian Albian
Quadraeculina laticorpina Early Cretaceous Early Cretaceous
Quadraeculina exilis Early Cretaceous Early Cretaceous
Quadraeculina apertus Middle Callovian Middle Callovian
Quadraeculina falcata Middle Jurassic Early Cretaceous
Quadraeculina primigena Middle Jurassic Middle Jurassic
Quadraeculina rhomboides Liassic Liassic
Quadraeculina annulata Rhaetian Liassic
Quadraeculina bitorosa Late Triassic Early Jurassic
Quadraeculina torus Late Triassic Late Triassic
Quadraeculina cibisis Late Triassic Liassic
Quadraeculina callaeformis Late Triassic Liassic
Quadraeculina Late Triassic Early Albian
Quadraeculina primitiva Early Triassic Early Cretaceous
Quadraeculina ordinata Early Triassic Early Cretaceous
Quadraeculina sp. Zhan.,1978 Mesozoic Mesozoic
Quadraeculina macra Early Triassic Early Cretaceous