Genus Circulina

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