Genus Echinocysta

Species total:
4
Age range:
49 - 37.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Echinocysta Middle Eocene Late Eocene
Echinocysta echinoides Middle Eocene Late Eocene
Echinocysta multispinata Middle Eocene Late Eocene
Echinocysta reticuloides Middle Eocene Late Eocene