Suborder †Cimolodonta McKenna, 1975 Superfamily Incertae sedis
Family Incertae sedis Subfamily Incertae sedis Paracimexomys group Archibald, 1982 Genus Paracimexomys Archibald, 1982 Species? † P. crossi Cifelli, 1997 Species † P. magnus (Sahni, 1972) Archibald, 1982 [Cimexomys magnus Sahni, 1972 ] Species † P. magister (Fox, 1971) Archibald, 1982 [Cimexomys magister Fox, 1971 ] Species † P. perplexus Eaton & Cifelli, 2001 Species † P. robisoni Eaton & Nelson, 1991 Species † P. priscus (Lillegraven, 1969) Archibald, 1982 [Cimexomys priscus Lillegraven, 1969 ; genotype Paracimexomys sensu Eaton & Cifelli, 2001 ] Species † P. propriscus Hunter et al. , 2010 Genus Cimexomys Sloan & Van Valen, 1965 Species † C. antiquus Fox, 1971 Species † C. gregoryi Eaton, 1993 Species † C. judithae Sahni, 1972 [Paracimexomys? judithae (Sahni, 1972) Archibald, 1982 ] Species † C. arapahoensis Species † C. minor Sloan & Van Valen, 1965 Species? † C. gratus (Jepson, 1930) Lofgren, 1995 [Cimexomys hausoi Archibald, 1983 ; Eucosmodon gratus Jepson, 1930 ; Mesodma? ambigua? Jepson, 1940 ; Stygimus gratus Jepson, 1930 ] Genus † Bryceomys Eaton, 1995 Genus † Cedaromys Eaton & Cifelli, 2001 Species † C. bestia (Eaton & Nelson, 1991) Eaton & Cifelli, 2001 [=Paracimexomys? bestia Eaton & Nelson, 1991] Species † C. parvus Eaton & Cifelli, 2001 Genus? † Dakotamys Eaton, 1995 ; E. Cret. CNA. Family †Boffidae Hahn & Hahn, 1983 Genus † Boffius Vianey-Liaud, 1979 Species † Boffius splendidus Vianey-Liaud, 1979 [Boffiidae Hahn & Hahn, 1983 sensu Kielan-Jaworowska & Hurum, 2001 ] Family †Cimolomyidae Marsh, 1889 sensu Kielan-Jaworowska & Hurum, 2001 Genus † Essonodon Simpson, 1927 Species? † E. browni Simpson, 1927 [cimolodontidae? Kielan-Jaworowska & Hurum 2001] Genus † Buginbaatar Kielan-Jaworowska & Sochava, 1969 Genus †Meniscoessus Cope, 1882 [Dipriodon Marsh, 1889 , Tripriodon Marsh, 1889 , Selenacodon Marsh, 1889 , Halodon Marsh, 1889 , Oracodon Marsh, 1889 ] Genus † Cimolomys Marsh, 1889 [=? Allacodon Marsh, 1889 ; Selenacodon Marsh, 1889 ] Species † C. clarki Sahni, 1972 Species † C. gracilis Marsh, 1889 [Cimolomys digona Marsh, 1889 ; Meniscoessus brevis ; Ptilodus gracilis Osborn, 1893 ; Selenacodon brevis Marsh, 1889 ] Species † C. trochuus Lillegraven, 1969 Species † C. milliensis Eaton, 1993a Superfamily †Ptilodontoidea Cope, 1887 sensu McKenna & Bell, 1997 e Kielan-Jaworowska & Hurum, 2001
Family †Cimolodontidae Marsh, 1889 sensu Kielan-Jaworowska & Hurum, 2001 Genus † Liotomus Lemoine, 1882 Species? † L. marshi (Lemoine, 1882) Cope, 1884 [Neoctenacodon marshi Lemoine, 1882 ?] [eucosmodontidae? McKenna & Bell, 1997] Genus †Anconodon Jepsen, 1940 Species? † A. lewisi Simpson, 1935 Species † A. gibleyi Simpson, 1935 Species † A. cochranensis Russell, 1929 [Liotomus russelli (Simpson, 1935) ; Ectopodon cochranensis (Russell, 1967)] Genus † Cimolodon Marsh, 1889 [Nanomys Marsh, 1889 , Nonomyops Marsh, 1892] Species † C. electus Species † C. nitidus Marsh, 1889 [Allacodon rarus Marsh, 1892 sensu Clemens, 1964a ; Nanomys minutus Marsh, 1889 ; Nonomyops minutus (Marsh, 1889) Marsh, 1892] Species † C. parvus Species † C. similis Fox, 1971 Family Incertae sedis Family †Neoplagiaulacidae Ameghino, 1890 [Neoplagiaulacinae Ameghino, 1890 sensu McKenna & Bell, 1997 ] Genus † Mesodma Marsh, 1889 Genus Ectypodus Matthew & Cranger, 1921 [Charlesmooria Kühne, 1969 ] Species † E. aphronorus Sloan, 1981 Species? † E. childei Kühne, 1969 Species? † E. elaphus Scott, 2005 Species? † E. lovei (Sloan, 1966) Krishtlaka & Black, 1975 Species † E. musculus Matthew & Granger, 1921 Species † E. powelli Jepsen, 1940 Species? † E. simpsoni Jepsen, 1930 Species † E. szalayi Sloan, 1981 Species † E. tardus Jepsen, 1930 Genus † Mimetodon Jepsen, 1940 Genus † Neoplagiaulax Lemoine, 1882 Species † N. annae Vianey-Liaud, 1986 Species? † N. burgessi Archibald, 1982 Species † N. cimolodontoides Scott, 2005 Species † N. copei Lemoine, 1885 Species † N. donaldorum Scott & Krause, 2006 Species † N. eocaenus Lemoine, 1880 Species † N. grangeri Simpson, 1935 Species † N. hazeni Jepsen, 1940 Species † N. hunteri Krishtalka, 1973 Species † N. jepi Sloan, 1987 Species † N. kremnus Johnston & Fox, 1984 Species † N. macintyrei Slaon, 1981 Species † N. macrotomeus Wilson, 1956 Species † N. mckennai Sloan, 1987 Species † N. nelsoni Sloan, 1987 Species † N. nicolai Vianey-Liaud, 1986 Species † N. paskapooensis Scott, 2005 Species? † N. serrator Scott, 2005 Species † N. sylvani Vianey-Liaud, 1986 Genus † Parectypodus Jepsen, 1930 Species † P. armstrongi Johnston & Fox, 1984 Species? † P. corystes Scott, 2003 Species? † P. foxi Storer, 1991 Species † P. laytoni Jepsen, 1940 Species † P. lunatus Krause, 1982 [P. childei Kühne, 1969] Species † P. simpsoni Jepsen, 1940 Species † P. sinclairi Simpson, 1935 Species † P. sloani Schiebout, 1974 Species † P. trovessartianus Cope, 1882 Species † P. sylviae Rigsby, 1980 [Ectypodus sylviae Rigby, 1980 ] Species? † P. vanvaleni Sloan, 1981 Genus † Cernaysia Vianey-Liaud, 1986 Genus † Krauseia Vianey-Liaud, 1986 Species † K. clemensi Sloan, 1981 [Parectypodus clemensi Sloan, 1981 ] Genus † Xyronomys Rigby, 1980 Genus † Xanclomys Rigby, 1980 Genus † Mesodmops Tong & Wang, 1994 Family †Ptilodontidae Cope, 1887 [Ptilodontinae Cope, 1887 sensu McKenna & Bell, 1997 ] Genus † Kimbetohia Simpson, 1936 Species † K. cambi [Simpson, 1936 ] Species † K. mziae [Middleton and Dewar, 2004 ] Genus † Ptilodus Cope, 1881 [Chirox Cope, 1884 ] Species? † P. fractus Species † P. kummae Krause, 1977 Species † P. gnomus Scott, Fox & Youzwyshyn, 2002 Species † P. mediaevus Cope, 1881 [Ptilodus plicatus (Cope, 1884) ; Chirox plicatus Cope, 1884 P. ferronensis Gazin, 1941 ] Species † P. montanus Douglass, 1908 [P. gracilis Gidley, 1909 ; P. admiralis Hay, 1930 ] Species † P. tsosiensis Sloan, 1981 Species † P. wyomingensis Jepsen, 1940 Genus † Baiotomeus Krause, 1987 Genus † Prochetodon Jepsen, 1940 Family †Kogaionidae Rãdulescu & Samson, 1996 Genus † Kogaionon Rãdulescu & Samson, 1996 Genus † Hainina Vianey-Liaud, 1979 Species † H. belgica Vianey-Liaud, 1979 Species † H. godfriauxi Vianey-Liaud, 1979 Species † H. pyrenaica Peláez-Campomanes, López-Martínez, Álvarez-Sierra & Daams, 2000 Species † H. vianeyae Peláez-Campomanes, López-Martínez, Álvarez-Sierra & Daams, 2000 Genus † Barbatodon Rãdulescu & Samson, 1986 Family †Eucosmodontidae Jepsen, 1940 sensu Kielan-Jaworowska & Hurum, 2001 [Eucosmodontidae: Eucosmodontinae Jepsen, 1940 sensu McKenna & Bell, 1997] Genus † Clemensodon Krause, 1992 Species † C. megaloba Krause, 1992 [Kimbetohia cambi , in partim] Genus †Eucosmodon Matthew & Granger, 1921 Species † E. primus [Granger & Simpson, 1929 or Sloan, 1981 ] Species † E. americanus Cope, 1885 Species † E. molestus Cope, 1869 (1886?) [Neoplagiaulax molestus Cope, 1869 ] Genus † Stygimys Sloan & Van Valen, 1965 Family †Microcosmodontidae Holtzman & Wolberg, 1977 [Eucosmodontidae: Microcosmodontinae Holtzman & Wolberg, 1977 sensu McKenna & Bell, 1997 ] Superfamily †Djadochtatherioidea Kielan-Jaworowska & Hurum, 1997 sensu Kielan-Jaworowska & Hurum, 2001 [Djadochtatheria Kielan-Jaworowska & Hurum, 1997 ]
Genus? † Bulganbaatar Kielan-Jaworowska, 1974 Genus? † Chulsanbaatar Kielan-Jaworowska, 1974 Genus † Nemegtbaatar Kielan-Jaworowska, 1974 Family †Sloanbaataridae Kielan-Jaworowska, 1974 Family †Djadochtatheriidae Kielan-Jaworowska $ Hurum, 1997 Genus † Djadochtatherium Simpson, 1925 Species † D. matthewi Simpson, 1925 [Catopsalis matthewi Simpson, 1925 ] Genus † Catopsbaatar Kielan-Jaworowska, 1974 Species † C. catopsaloides (Kielan-Jaworowska, 1974) Kielan-Jaworowska, 1994 [Djadochtatherium catopsaloides Kielan-Jaworowska, 1974 ] Genus † Tombaatar Kielan-Jaworowska, 1974 Species † T. sabuli Rougier, Novacek & Dashzeveg, 1997 Genus † Kryptobaatar Kielan-Jaworowska, 1970 [Gobibaatar Kielan-Jaworowska, 1970 , Tugrigbaatar Kielan-Jaworowska & Dashzeveg, 1978 ] Species † K. saichanensis Kielan-Jaworowska & Dashzeveg, 1978 [Tugrigbaatar saichaenensis Kielan-Jaworowska & Dashzeveg, 1978 ] Species † K. dashzevegi Kielan-Jaworowska, 1970 Species † K. mandahuensis Smith, Guo & Sun, 2001 Species † K. gobiensis Kielan-Jaworowska, 1970 [Gobibaatar parvus Kielan-Jaworowska, 1970 ] Superfamily †Taeniolabidoidea Granger & Simpson, 1929 sensu Kielan-Jaworowska & Hurum, 2001