The first well defined Pliocene mammalian faunas in the Czech Republic found at localities Mevnv any 3 and Vitosvov are reported herein. Pilot samples from the localities have yielded an assemblage of at least 23 taxa of small mammals (Lipotyphla, Chiroptera, Lagomorpha, and Rodentia).
The key taxa Mimomys hassiacus, M. cf. gracilis (an advanced form), Baranomys, and Germanomys in the assemblage suggest age of the fauna is Pliocene, possibly near the Ruscinian Villanyian (MN15b MN16a) boundary