Genus Quadraeculina

Species total:
24
Age range:
280 - 1.2 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Quadraeculina rhomboides Liassic Liassic
Quadraeculina falcata Middle Jurassic Early Cretaceous
Quadraeculina primigena Middle Jurassic Middle Jurassic
Quadraeculina apertus Middle Callovian Middle Callovian
Quadraeculina prolongata Berriasian Albian
Quadraeculina laticorpina Early Cretaceous Early Cretaceous
Quadraeculina exilis Early Cretaceous Early Cretaceous