Type
Age
Age range
4.9–1.8 Ma
Pleistocene
Calabrian
Gelasian
Pliocene
Piacenzian
Zanclean
Irvingtonian
Blancan
Hemphillian
Irvingtonian
Blancan
Hemphillian
5.04.84.64.44.24.03.83.63.43.23.02.82.62.42.22.01.8