Materials to generic diagnostic of lemmings Lemmus and Myopus

The comparison of M3 measurements of six recent samples of Lemmus lemmus, L. sibiricus and Myopus schisticolor from Eastern Europe, Western and Eastern Siberia has been carried out. It has been shown that East European lemmings Lemmus and Myopus differ in proportions of M3 that let one to use this feature for diagnostic of Lemmus and Myopus remains from Late Quaternary localities of the region.