After McKenna & Bell, 1997, and Scott, Fox & Youzwyshyn, 2002, with species from Alroy, 2002

<==o †Palaeoryctidae Winge, 1917 [taxonomic history]
   |-- †Aaptoryctes ivyi Gingerich, 1982; U.Paleoc. NA.
   |?-o †Aboletylestes D.E. Russell, 1964; U.Paleoc. Af. Eu. [treated as cimolestid by McKenna & Bell, 1997]
   |  |-- †A. hypselus Russell 1964
   |  `-- †A. robustus Gheerbrant, 1992
   |?-+--o †Didelphodus Cope, 1882b [Didelphyodus Winge, 1923] [incl. Phenacops Matthew, 1909] L.-M.Eoc. Eu. NA.
   |  |  |--+-- †D. absarokae (Cope, 1881) [Deltatherium absarokae Cope, 1881; Didelphodus absarokae (Cope) Cope, 1882, Matthew, 1918b, McKenna, 1960, Van Valen, 1966]
   |  |  |  `-- †D. altidens (Marsh, 1872) [†Centetodon altidens Marsh, 1872; Didelphodus altidens (Marsh) McKenna et al., 1962, Van Valen, 1966, Gazin, 1976] [incl. Phenacops incerta Matthew, 1909; McKenna et al., 1962, Van Valen, 1966; Didelphodus ventanus T. White, 1952; Van Valen, 1966]
   |  |  `--+-- †D. rheos Storer, 1995b
   |  |     `-- †D. serus Storer, 1984
   |  `--+-- †Avunculus didephodonti Van Valen, 1966; U.Paleoc. NA.
   |     `--+-- †Acmeodon secans Matthew & Granger, 1921; L.-U.Paleoc. NA.
   |        `--o †Gelastops Simpson, 1935d [†Emperodon Simpson, 1935d]; L.-U.Paleoc. NA.
   |           |-- †G. joni
   |           `-- †G. parcus Simpson, 1935d [†Emperodon acmeodontoides Simpson, 1935d; Gelastops parcus Simpson; Simpson,1937a, Van Valen,1966]
   |-- †Eoryctes melanus Thewissen & Gingerich, 1989 [nonEoryctes Romer, 1966 (nomen nudum), an apternodontid]; L.Eoc. Eu.
   |-- †Leptonysson basiliscus Van Valen, 1967 [a leptictid or a pantolestid?]
   |-- †Naranius infrequens D.E. Russell & Dashzeveg, 1986; L.Eoc. As.
   |--o †Palaeoryctes Matthew, 1913; L.Paleoc.-L.Eoc. NA., U.Palaeoc.-L.Eoc. NWAf.
   |  |-- †P. cruoris Gunnell, 1994
   |  |-- †P. puercensis Matthew, 1913
   |  `-- †P. punctatus Van Valen, 1966
   |--o †Pararyctes Van Valen, 1966; L.Paleoc.-L.Eoc. NA. [treated as Cimolesta incertae sedis by McKenna & Bell, 1997]
   |  |-- †P. pattersoni Van Valen, 1966
   |  `-- †P. rutherfordi Scott, Fox & Youzwyshyn, 2002
   |-- †Stilpnodon Simpson, 1935
   |?- †Thelysia artemia Gingerich 1982 [a pantolestid?]
   |-- †Tsaganius ambiguus D.E. Russell & Dashzeveg, 1986; L.Eoc. As. [treated as cimolestid by McKenna & Bell, 1997]
   `?-o †Deccanolestes Prasad & Sahni, 1988 [also regarded as a basal eutherian]
      |-- †D. hislopi Prasad & Sahni, 1988
      `-- †D. robustus Prasad, Jaeger, Sahni, Gheerbrant & Khajuria, 1994

Reference(s):