Ellobius is a genus of rodents in the family Cricetidae. It contains two (E. talpinus and E. tancrei) of the handful of examples of mammal species that have lost the Y chromosome.
The genus has the following species: Alai mole vole (Ellobius alaicus) Northern mole vole (Ellobius talpinus) Zaisan mole vole (Ellobius tancrei)
Two members of this genus were moved to the genus Bramus: Southern mole vole (Bramus fuscocapillus) Transcaucasian mole vole (Bramus lutescens)
See also Tokudaia another mammal genus that has lost the Y-chromosome
References