Mammaliaformes Rowe 1988, nom. cl. inval. see Clade Mammaliaformes Rowe 1988 [Rowe 2020]
   [crown] Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Clade Mammalia Linnaeus 1758 [Rowe 2020]
     Theriimorpha Rowe 1993
       Theria Parker & Haswell 1897 [McKenna 1975] see Subclass Theria Parker & Haswell, 1897
         Eutheria Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Infraclass Eutheria Gill, 1872
           Placentalia Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Cohort Placentalia Owen, 1837
             Epitheria McKenna 1975
               Boreoeutheria Springer & de Jong 2001 see Magnorder Boreoeutheria Springer & de Jong, 2001
                 Euarchontoglires Murphy, Stanyon & O'Brien 2001 see Superorder Euarchontoglires Murphy, Stanyon & O'Brien, 2001
                   Euarchonta Waddell, Okada & Hasegawa 1999 see Grandorder Euarchonta Waddell, Okada & Hasegawa, 1999
                     Sundatheria Olson, Sargis & Martin, 2005
                       Scandentia Wagner 1855
                         1.1[27] †Eodendrogale parvum Tong, 1988
                         1.2 Tupaia glis (Diard, 1820) - common tree shrew
                         2.1[28] †Ptilocercinae Lyon, 1913 see Family Ptilocercidae Lyon, 1913
                         2.2 Ptilocercus lowii Gray, 1848 - feather-tailed tree shrew