After McKenna & Bell, 1997

<==o †Tillodonta Marsh, 1875 [taxonomic history]
   `--o †Tillotheriidae Marsh, 1875 [taxonomic history]
      |-- †Deltatherium fundaminis Cope, 1881 [†Lipodectes penetrans Cope, 1881; = Deltatherium fundaminis Cope; Matthew, 1937] L.Paleoc.-?U.Paleoc. NA. [Deltatheriinae Van Valen, 1988]
      `--o †Tillotheriinae Marsh, 1875 [taxonomic history]
         |-- †Anchilestes impolitus Chiu & Li, 1977; L.Paleoc. EAs. [also treated as anagalid]
         |?- †Basalina basalensis Dehm & Oettingen-Spielberg, 1958; ?L.Eoc.-M.Eoc. SAs. [Tillodonta incertae sedis]
         |?- †Benaius qianshuiensis
         |?- †Chungchienia sichuanica Chow, 1963; U.Eoc. EAs. [also treated as taeniodont]
         |?- †Dysnoetodon minuta Zhang [Chang], 1980; L.Paleoc. EAs. [Tillodonta incertae sedis??, treated as bemalambdoid pantodont by McKenna & Bell, 1997]
         |?- †Franchaius Baudry, 1992; L.Eoc. Eu.
         |?- †Interogale datangensis Huang & Zheng 1983; L.Paleoc. EAs.
         |?- †Plethorodon chienshanensis Huang & Zheng, 1987; L.Paleoc. EAs.
         |-- †Adapidium huanghoense Young, 1937; U.Eoc. EAs.
         |--o †Esthonyx Cope, 1874 [taxonomic history] U.Paleoc.-L.Eoc. NA., L.-M.Eoc. Eu.
         |  |?- †E. burmeisteri [=? †Esthonyx bisculatus Cope, 1874]
         |  |?- †E. gunnelli (Gingerich, 1989) [taxonomic history]
         |  |?- †E. latidens Simpson, 1937c [taxonomic history]
         |  |?- †E. munieri
         |  |?- †E. xenicus Gingerich & Gunnell, 1979 [taxonomic history]
         |  |--+-- †E. ancylion Gingerich & Gunnell, 1979 [taxonomic history]
         |  |  `-- †E. grangeri Simpson, 1937c [taxonomic history]
         |  `--+-- †E. spatularius Cope, 1880 [taxonomic history]
         |     `--+-- †E. bisculatus Cope, 1874 [taxonomic history]
         |        `-- †E. acutidens Cope, 1881 [taxonomic history]
         |-- †Lofochaius brachyodus Chow, Chang, Wang & Ting, 1973; L.Paleoc. EAs.
         |-- †Megalesthonyx hopsoni Rose, 1972; L.Eoc. NA.
         |-- †Meiostylodon zaoshiensis Wang, 1975; L.Paleoc. EAs.
         |-- †Tillodon fodiens (Marsh, 1875b) Gazin, 1953 [†Tillotherium fodiens Marsh, 1875; †Tillodon fodiens (Marsh); Gazin, 1953, Rose, 1972, Gazin, 1976, and Lucas & Schoch, 1998a] M.Eoc. NA.
         `--o †Trogosus Leidy, 1871b [taxonomic history] L.-M.Eoc. NA. M.Eoc EAs.
            |-- †T. castoroides Leidy, 1871b [taxonomic history]
            |-- †T. grangeri Gazin, 1953 [taxonomic history]
            |-- †T. latidens (Marsh, 1874b) [taxonomic history]
            `-- †T. vetulus

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