Michael Zions, Edward F. Meehan, Michael E. Kress, Donald Thevalingam, Edmund C. Jenkins, Kai Kaila, Martin Puskarjov, Dan P. McCloskey


Eusociality, a system of extreme reproductive altruism, has evolved only twice in vertebrates, both times in fossorial mole-rats, as proposed initially by Richard Alexander in 1974 [

  • Jarvis J.U.M.
  • Bennett N.C.
Eusociality has evolved independently in two genera of bathyergid mole-rats — but occurs in no other subterranean mammal.