[Theria] Parker & Haswell 1897 [McKenna 1975] see Subclass Theria Parker & Haswell, 1897
Count: -
   Eutheria Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Infraclass Eutheria Gill, 1872
  Count: [o] 18o
     Boreoeutheria Springer & de Jong 2001 see Magnorder Boreoeutheria Springer & de Jong, 2001
    Count: [o] 11o
       Euarchontoglires Murphy, Stanyon & O'Brien 2001 see Superorder Euarchontoglires Murphy, Stanyon & O'Brien, 2001
      Count: [o] 5o
         Order Dermoptera Dobson, 1883
        Count: -