Genus Surmaspora

Species total:
4
Age range:
49 - 11.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Surmaspora Oligocene Early Miocene
Surmaspora karii Miocene Middle Miocene
Surmaspora sinuosa Late Eocene Early Miocene
Surmaspora verrucata Middle Eocene Early Miocene