Figure 1.
Phylogenetic relationship and geographic ranges of Ellobius species. (A) Phylogenetic tree (based on Zfx and Atrx) showing that the loss of the Y Chromosome occurred independently in Ellobius talpinus and Ellobius lutescens. Bootstrap values are shown on three nodes. (B) Present habitats of E. lutescens and E. talpinus separated by the Caspian Sea and the Caspian Mountains 8–7 Mya (obtained from the IUCN Red List of Threatened Species Version 2015.1; http://www.iucnredlist.org).
