Genus Plethysyrinx

Species total:
3
Age range:
49 - 37.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Plethysyrinx Middle Eocene Late Eocene
Plethysyrinx lata Middle Eocene Late Eocene
Plethysyrinx lemniscata Middle Eocene Late Eocene