Genus Helicopontosphaera

Species total:
6
Age range:
54.5 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Helicopontosphaera kamptneri Miocene Quaternary
Helicopontosphaera obliqua Chattian Chattian
Helicopontosphaera perch-nielseniae Chattian Chattian
Helicopontosphaera recta Rupelian Chattian
Helicopontosphaera reticulata Eocene Eocene
Helicopontosphaera sp Miocene Late Neogene