Genus Crassosphaera

Species total:
23
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Crassosphaera sp.A De C.,1976 Priabonian Priabonian
Crassosphaera sp.B Ypresian Ypresian
Crassosphaera sp.C Ypresian Ypresian
Crassosphaera stellulata Liassic Late Oligocene
Crassosphaera triassica Triassic Triassic
Crassosphaera tuberculata Middle Eocene Late Eocene