On Two Ochotonids (Maminalia, Lagomorpha) from the Later Tertiary of Inner Mongolial

The fossil record of the mammalian order Lagomorpha in Mongolia and China is a long one, extending back to the late Paleocene with the appearance of Eurymylus, the oldest known lagomorph, from the Gash-ato formation. Mimolagus, a lagomorph of unknown age from Kansu