After McKenna & Bell, 1997

Alternative phylogeny after Luo, Cifelli, & Kielan-Jaworowska, 2001

<==o Cladotheria McKenna, 1975 sensu McKenna & Bell, 1997
   |?- †Butlerigale Kühne, 1968 [possibly pathological Dryolestes leiriensis]
   |?-o †Ausktribosphenidae Rich, Vickers-Rich, Constantine, Flannety, Kool, van Klaveren, 1997
   |  |?- †Bishops whitmorei Rich et al., 2001
   |  `-- †Ausktribosphenos nyctos Rich, Vickers-Rich, Constantine, Flannety, Kool, van Klaveren, 1997
   |--o †Dryolestoidea Butler, 1939 [Dryolestiformes Kinman, 1994; incl. Pantotheria, Marsh, 1880]
   |  |-- †Dryolestida Prothero, 1981 
   |  `--o †Amphitheriida Prothero, 1981
   |     `--o †Amphitheriidae Owen, 1846
   |        `--o †Amphitherium de Blainville, 1838 [taxonomic history]
   |           |?- †A. oweni
   |           |-- †A. rixoni Butler & Clemens, 2001
   |           `-- †A. prevostii de Blainville, 1838
   `--o Zatheria McKenna, 1975
      |?- †Arguitherium cromptoni Dashzeveg, 1994 [Arguitheriidae Dashzeveg, 1994]
      |?- †Arguimus khosbajari Dashzeveg, 1979 [Arguimuridae Dashzeveg, 1979]
      |?-o †Nanolestes T. Martin, 2002
      |  |-- †N. drescherae T. Martin, 2002
      |  `-- †N. krusati T. Martin, 2002
      |?- †Vincelestes neuquenianus Bonaparte, 1986 [Vincelestidae Bonaparte, 1986]
      |-- †Peramura McKenna, 1975
      `-- Tribosphenida McKenna, 1975

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