Home > Equidae tridactyles (Hipparions sensu lato) > Hipparions from East Africa > Hipparions from Omo Valley, Ethiopia
Usno Formation
Tuesday 28 April 2015
The sediments of the Usno Formation date from ca. 3 to ca. 4 Ma.
The upper cheek teeth are very plicated (Fig.U1); the lower molar has isolated protostylid and ectostylid, both small (Fig.U2).
