There are two GenBank population sets related to this data package. 1) PopSet: 302202495 Ancient DNA sequences of cytb from common voles, Microtus arvalis Population set of partial sequences of the mitochondrial cytb gene isolated from osteological material of common voles spanning from Neolithic to Medieval time period. 2) PopSet: 304634227 Modern complete sequences of the cytb gene from common voles, Microtus arvalis Population set of mitochondrial cytb sequences.