Genus Quadraeculina

Species total:
24
Age range:
280 - 1.2 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Quadraeculina exilis Early Cretaceous Early Cretaceous
Quadraeculina torus Late Triassic Late Triassic
Quadraeculina sp. Zhan.,1978 Mesozoic Mesozoic
Quadraeculina primigena Middle Jurassic Middle Jurassic
Quadraeculina apertus Middle Callovian Middle Callovian
Quadraeculina humilis Mesozoic Mesozoic
Quadraeculina rhomboides Liassic Liassic