Genus Circulina

Species total:
20
Age range:
280 - 22.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Circulina sp.1 Medu.,1977 Triassic Triassic
Circulina classopollis Late Triassic Late Triassic
Circulina sp.B Liassic Liassic
Circulina sp.3 Medu.,1977 Triassic Triassic
Circulina sp.2 Nd Nd
Circulina funifera Early Jurassic Early Jurassic
Circulina minima Cretaceous Cretaceous
Circulina peristriata Early Jurassic Early Jurassic
Circulina sp.2 Medu.,1977 Triassic Triassic
Circulina bicycla Early Jurassic Early Jurassic
Circulina sp.A Liassic Liassic
Circulina elatior Early Cretaceous Early Cretaceous
Circulina Tatarian Early Cenozoic
Circulina sp Late Tatarian Stampian
Circulina parva Jurassic Paleocene
Circulina meyeriana Permian Late Cretaceous
Circulina granulata Carnian Liassic