Genus Form

Species total:
5
Age range:
145 - 16.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Form magnificus Early Eocene Early Eocene
Form sp Cretaceous Early Tertiary
Form sp.A Tithonian Early Miocene
Form sp.A3 Nd Nd
Form vestibulum Early Eocene Early Eocene