Genus Sphaerodinella

Species total:
4
Age range:
68.5 - 40.25 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Sphaerodinella Nd Nd
Sphaerodinella albatrosiana Maastrichtian Middle Eocene
Sphaerodinella arctica Serravallian Serravallian
Sphaerodinella tuberosa Late Maastrichtian Middle Eocene