Cimolodonta

Cimolodonta
Cimolodonta
Temporal range: Cretaceous-Eocene
A reconstruction of Ptilodus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Order: Multituberculata
Suborder: Cimolodonta
Superfamilies

The Cimolodonta are a taxon of extinct mammals that lived from the Cretaceous to the Eocene. They were some of the more derived members of the extinct order Multituberculata. They probably lived something of a rodent-like existence until their ecological niche was assumed by true rodents. The more basal multituberculates are found in a different suborder, "Plagiaulacida".

Cimolodonta is apparently a natural (monophyletic) suborder. Remains have been identified from across the Northern Hemisphere. The taxon is recognized as the informal Paracimexomys group and the superfamilies Djadochtatherioidea, Taeniolabidoidea, and Ptilodontoidea. Additionally, and of uncertain affinities, are the families Cimolomyidae, Boffiidae, Eucosmodontidae, Kogaionidae, Microcosmodontidae and the two genera Uzbekbaatar and Viridomys. More precise placement of these types awaits further discoveries and analysis.

Taxonomy

Suborder Cimolodonta McKenna, 1975

  • Superfamily Incertae sedis
    • Family Incertae sedis
      • Subfamily Incertae sedis
        • Genus? †Ameribaatar Eaton & Cifelli, 2001
          • Species? †A. zofiae Eaton & Cifelli, 2001
        • Genus? †Bryceomys Eaton, 1995
          • SpeciesB. fumosus Eaton, 1995
          • SpeciesB. hadrosus Eaton, 1995
          • SpeciesB. intermedius Eaton & Cifelli, 2001
        • GenusCedaromys Eaton & Cifelli, 2001
          • SpeciesC. bestia (Eaton & Nelson, 1991) Eaton & Cifelli, 2001 [=Paracimexomys? bestia Eaton & Nelson, 1991]
          • SpeciesC. parvus Eaton & Cifelli, 2001
        • Genus? †Dakotamys Eaton, 1995; E. Cret. CNA.
          • Species? †D. sp. (Utah, USA) Eaton, 1995
          • SpeciesD. malcolmi Eaton, 1995
        • Genus? †Fractimus Higgins, 2003
          • Species? †F. palmorum Higgins, 2003
        • GenusHalodon Marsh, 1889
          • SpeciesH. serratus Marsh, 1889
        • GenusPtilodus (Marsh, 1889) Gidley, 1909
          • SpeciesP. serratus (Marsh, 1889) Gidley, 1909
        • Genus? †Uzbekbaatar Kielan-Jaworowska & Nesov, 1992
          • Species? †U. kizylkumensis Kielan-Jaworowska & Nesov, 1992
        • Genus? †Barbatodon Rãdulescu & Samson, 1986
          • Species? †B. transylvanicum Rãdulescu & Samson, 1986
  • Paracimexomys group Archibald, 1982
        • GenusParacimexomys 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; genotipo Paracimexomys sensu Eaton & Cifelli, 2001]
          • SpeciesP. propriscus (Lillegraven, 1969) Hunter et Al., 2010
        • Genus? Cimexomys Fox, 1971
          • Species? †C. antiquus Fox, 1971
          • Species? †C. gregoryi Eaton, 1993
          • Species? †C. electus
          • Species? †C. bellus
          • Species? †C. clarki
          • Species? †C. judithae Sahni, 1972 [Paracimexomys? judithae (Sahni, 1972) Archibald, 1982]
        • Genus Cimexomys Sloan & Van Valen, 1965 sensu stricto?
          • Species? †C. arapahoensis
          • SpeciesC. 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)]
    • FamilyBoffidaeHahn & Hahn, 1983
        • GenusBoffius Vianey-Liaud, 1979
          • SpeciesBoffius 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
          • Species? †B. transaltaiensis Kielan-Jaworowska & Sochava, 1969
        • Genus Meniscoessus Cope, 1882 [Dipriodon Marsh, 1889, Tripriodon Marsh, 1889, Selenacodon Marsh, 1889, Halodon Marsh, 1889, Oracodon Marsh, 1889]
          • SpeciesM. caperatus Marsh, 1889
          • SpeciesM. collomensis Lillegraven, 1987
          • SpeciesM. ferox Fox, 1971a
          • SpeciesM. intermedius Fox, 1976b
          • SpeciesM. major (Russell, 1936)
          • SpeciesM. greeni
          • SpeciesM. conquistus Cope, 1882
          • SpeciesM. robustus (Marsh, 1889)
          • SpeciesM. seminoensis Eberle & Lillegraven, 1998a
          • SpeciesM. borealis [M. robustus]
        • GenusCimolomys Marsh, 1889 [=? Allacodon Marsh, 1889; Meniscoessus; Ptilodus; Selenacodon Marsh, 1889]
          • Species? †C. lentus [Allacodon lentus]
          • Species? †C. pumilus [Allacodon pumilus]
          • SpeciesC. clarki Sahni, 1972
          • SpeciesC. gracilis Marsh, 1889 [Cimolomys digona Marsh, 1889; Meniscoessus brevis; Ptilodus gracilis Osborn, 1893; Selenacodon brevis Marsh, 1889]
          • SpeciesC. trochuus Lillegraven, 1969
          • SpeciesC. milliensis Eaton, 1993a
          • SpeciesC. sp.2
  • Superfamily Ptilodontoidea Cope, 1887 sensu McKenna & Bell, 1997 e Kielan-Jaworowska & Hurum, 2001
    • Family Cimolodontidae Marsh, 1889 sensu Kielan-Jaworowska & Hurum, 2001
        • GenusLiotomus Lemoine, 1882
          • Species? †L. marshi (Lemoine, 1882) Cope, 1884 [Neoctenacodon marshi Lemoine, 1882?] [eucosmodontidae? McKenna & Bell, 1997]
        • GenusEssonodonSimpson, 1927
          • Species? †E. browni Simpson, 1927 [cimolomyidae? Kielan-Jaworowska & Hurum (2001)]
        • GenusAnconodon Jepsen, 1940
          • Species? †A. lewisi (Simpson, 1935)
          • SpeciesA. rarus
          • SpeciesA. russelli Sloan, 1987
          • SpeciesA. gibleyi (Simpson, 1935)
          • SpeciesA. cochranensis (Russell, 1929) [Liotomus russelli (Simpson, 1935); Ectopodon cochranensis Russell, 1967]
        • GenusCimolodon Marsh, 1889 [Nanomys Marsh, 1889, Nonomyops Marsh, 1892]
          • SpeciesC. electus
          • SpeciesC. nitidus Marsh, 1889 [Allacodon rarus Marsh, 1892 sensu Clemens, 1964a; Nanomys minutus Marsh, 1889; Nonomyops minutus (Marsh, 1889) Marsh, 1892]
          • SpeciesC. parvus
          • SpeciesC. similis Fox, 1971
          • SpeciesC. gracilis Marsh, 1889
          • SpeciesC. sp.2
        • Genus Neoliotomus Jepsen, 1930
          • SpeciesN. conventus Jepsen, 1930
          • SpeciesN. ultimus (Granger & Simpson, 1928)
    • Family Ptilodontidae Cope, 1887 sensu McKenna & Bell, 1997
      • Subfamily Neoplagiaulacidae Ameghino, 1890 [Ptilodontidae: Neoplagiaulacinae Ameghino, 1890 sensu McKenna & Bell, 1997]
        • Genus MesodmaMarsh, 1889
          • Species? †Mesodma sp.1, cf. M. formosa
          • Species? †Mesodma sp.2, cf. M. formosa
          • Species? †Mesodma sp.3, cf. M. formosa
          • Species? †Mesodma sp.4
          • Species? †Mesodma sp.5
          • Species? †M. hensleighi
          • Species? †M. senecta
          • Species? †M. garfieldensis Archibald, 1982
          • Species? †M. pygmaea Sloan, 1987
          • SpeciesM. formosa (Marsh, 1889) [Halodon formosus Marsh, 1889??]
          • SpeciesM. primaeva [Perectypodus primaeva]
          • SpeciesM. thompsoni Clemens, 1964
          • SpeciesM. ambigua Jepsen, 1940 [†Mesodma. sp.4, cf. Mesodma thompsoni??]
          • SpeciesM. siberlingi (Simpson, 1935) [Ectypodus?; Mimetodon?]
        • Genus Ectypodus Matthew & Cranger, 1921 [Charlesmooria Kühne, 1969 ]
          • Species? †E. childei (Kühne, 1969)
          • Species? †E. simpsoni (Jepsen, 1930)
          • Species? †E. elaphus Scott, 2005
          • SpeciesE. aphronorus Sloan, 1981
          • SpeciesE. szalayi Sloan, 1981
          • SpeciesE. musculus Matthew & Granger, 1921
          • SpeciesE. powelli Jepsen, 1940
          • SpeciesE. tardus (Jepsen, 1930)
        • Genere Mimetodon Jepsen, 1940
          • SpeciesM. krausei Slaon, 1981
          • SpeciesM.? nanophus (Holtzman, 1978) [Neoplagiaulax nanophus Holtzman, 1978]
          • SpeciesM. trovessortianus
          • SpeciesM. churchilli Jepsen, 1940
          • SpeciesM. douglassi
        • Genus Neoplagiaulax Lemoine, 1882
          • SpeciesN. nanophus Holtzman, 1978
          • SpeciesN. nelsoni Sloan, 1987
          • SpeciesN. mckennai Sloan, 1987 [N. mckennaiai Sloan, 1987 (lapsus calami)]
          • SpeciesN. jepi Sloan, 1987
          • SpeciesN. annae Vianey-Liaud, 1986
          • SpeciesN. fractus Dorr, 1952
          • SpeciesN. nicolai Vianey-Liaud, 1986
          • SpeciesN. macintyrei Slaon, 1981
          • SpeciesN. hazeni (Jepsen, 1940)
          • SpeciesN. sp. cf. N. hazeni Krause, 1977, e Fox, 1990
          • SpeciesN. paskapooensis Scott, 2005 [Neoplagiaulax hunteri Krishtalka, 1973 (in partim); Neoplagiaulax sp. 2 Fox, 1990]
          • SpeciesN. cimolodontoides Scott, 2005 [Neoplagiaulax sp. 3 Fox, 1990]
          • SpeciesN. macrotomeus (Wilson, 1956)
          • SpeciesN. copei Lemoine, 1885
          • SpeciesN. eocaenus (Lemoine, 1880) [genotipo]
          • SpeciesN. grangeri (Simpson, 1935)
          • Species? †N. serrator Scott, 2005 [N. hunteri Krishtalka, 1973 (in partim); N. sp. 1 Fox, 1990]
          • SpeciesN. kremnus Johnston & Fox, 1984
          • SpeciesN. sp. cf. N. hunteri (Simpson, 1936)
          • SpeciesN. hunteri (Simpson, 1936)
        • GenusParectypodus Jepsen, 1930
          • Species? †P. lovei Sloan, 1966
          • Species? †P. vanvaleni Sloan, 1981
          • Species? †P. corystes Scott, 2003
          • SpeciesP. sloani Schiebout, 1974
          • SpeciesP. trovessartianus (Cope, 1882) [P. trouessarti; Ptilodus; Mimetodon; Neoplagiaulax]
          • SpeciesP. sylviae (Rigsby, 1980) [Ectypodus sylviae Rigby, 1980]
          • SpeciesP. pattersoni Sloan, 1987
          • SpeciesP. armstrongi Johnston & Fox, 1984
          • SpeciesP. sinclairi (Simpson, 1935)
          • SpeciesP. laytoni Jepsen, 1940
          • SpeciesParectypodus simpsoniP. simpsoni
        • GenusCarnaysia Vianey-Liaud, 1986
          • SpeciesC. manueli Vianey-Liaud, 1986
          • SpeciesC. davidi Vianey-Liaud, 1986
        • GenusKrauseia Vianey-Liaud, 1986
          • SpeciesK. clemensi (Sloan, 1981) [Parectypodus clemensi Sloan, 1981]
        • GenusXironomysRigby, 1980
          • SpeciesX. swainae Rigby, 1980 [Xyronomys; ?Eucosmodontidae]
        • GenusXancolomys Rigby, 1980
          • SpeciesX. mcgrewiRigby, 1980
        • GenusMesodmopsTong & Wang, 1994
          • SpeciesM. dawsonae Tong & Wang, 1994
      • Subfamily Ptilodontidae Cope, 1887 [Ptilodontidae: Ptilodontinae Cope, 1887 sensu McKenna & Bell, 1997]
        • GenusKimbetohia Simpson, 1936
          • SpeciesK. cambi [Granger, Gregory & Colbert in Matthew, 1937, or Simpson, 1936]
          • SpeciesK. sp. cf. K. cambi
        • GenusPtilodus Cope, 1881 [Chirox Cope, 1884]
          • Species? †P. fractus
          • SpeciesP. tsosiensis Sloan, 1981
          • SpeciesP. kummae Krause, 1977
          • SpeciesP. ferronensis Gazin, 1941
          • SpeciesP. gnomus Scott, Fox & Youzwyshyn, 2002 [cf. Ectypodus hazeni (Jepsen, 1940) Gazin, 1956]
          • SpeciesP. mediaevus Cope, 1881 [Ptilodus plicatus (Cope, 1884); Chirox plicatus Cope, 1884]
          • SpeciesP. nellieae
          • SpeciesP. sinclairi
          • SpeciesP. montanus Douglass, 1908 [P. gracilis Gidley, 1909; P. admiralis Hay, 1930]
          • SpeciesP. wyomingensis Jepsen, 1940
        • GenusBaiotomeus Krause, 1987
          • SpeciesB. russelli Scott, Fox & Youzwyshyn, 2002
          • SpeciesB. douglassi (Simpson, 1935) [Ptilodus; Mimetodon; Neoplagiaulax]
          • SpeciesB. lamberti Krause, 1987
          • SpeciesB. rhothonion Scott, 2003
        • GenusProchetodon Jepsen, 1940
          • Species? †P. speirsae Scott, 2004
          • SpeciesP. cavus Jespen, 1940
          • SpeciesP. foxi Krause, 1987
          • SpeciesP. taxus Krause, 1987
          • Species? †P. sp. cf. P. cavus Jespen, 1940
        • GenereKogaionidae Rãdulescu & Samson, 1996
          • SpeciesK. ungureanui Rãdulescu & Samson, 1996
        • GenusHainina Vianey-Liaud, 1979
          • SpeciesH. belgica Vianey-Liaud, 1979
          • SpeciesH. godfriauxi Vianey-Liaud, 1979
          • SpeciesH. pyrenaica Peláez-Campomanes, López-Martínez, Álvarez-Sierra & Daams, 2000
          • SpeciesH. vianeyae Peláez-Campomanes, López-Martínez, Álvarez-Sierra & Daams, 2000
      • Subfamily Eucosmodontidae Jepsen, 1940 sensu Kielan-Jaworowska & Hurum, 2001 [Eucosmodontidae: Eucosmodontinae Jepsen, 1940 sensu McKenna & Bell, 1997]
        • GenusClemensodonKrause, 1992
          • SpeciesC. megaloba Krause, 1992 [Kimbetohia cambi, in partim]
        • GenusEucosmodon Matthew & Granger, 1921
          • Species? †E. gratus Jepsen, 1940 [= Stygimys gratus??]
          • SpeciesE. primus [Granger & Simpson, 1929 or Sloan, 1981]
          • SpeciesE. americanus (Cope, 1885)
          • SpeciesE. molestus (Cope, 1869) [1886?] [Neoplagiaulax molestus Cope, 1869]
        • GenusStygimys Sloan & Van Valen, 1965
          • SpeciesS. camptorhiza Johnston & Fox, 1984
          • SpeciesS. gratus (Jepsen, 1930)
          • Species? †S. sp. cf. S. kuszmauli
          • SpeciesS. kuszmauli [Eucosmodon kuszmauli]
          • SpeciesS. jepseni (Simpson, 1935) [S. sp. cf. S. kuszmauli]
          • SpeciesS. teilhardi (Granger & Simpson, 1929)
      • Subfamily Microcosmodontidae Holtzman & Wolberg, 1977 [Eucosmodontidae: Microcosmodontinae Holtzman & Wolberg, 1977 sensu McKenna & Bell, 1997]
        • GenusPentacosmodonJepsen, 1940
          • SpeciesP. pronus Jepsen, 1940 [Djadochtatheroid? (Kielan-Jaworowska & Hurum, 2001)]
        • GenusAcheronodon Archibald, 1982
          • SpeciesA. garbani Archibald, 1982
        • GenusMicrocosmodon Jepsen, 1930
          • SpeciesM. conus Jepsen, 1930
          • SpeciesM. rosei Krause, 1980
          • SpeciesM. arcuatus Johnston & Fox, 1984
          • SpeciesM. woodi Holtzman & Wolberg, 1977 [Eucosmodontine?]
          • SpeciesM. harleyi Weil, 1998
  • Superfamily Djadochtatheroidea Kielan-Jaworowska & Hurum, 1997 sensu Kielan-Jaworowska & Hurum, 2001[Djadochtatheria Kielan-Jaworowska & Hurum, 1997]
        • Genus? †BulganbaatarKielan-Jaworowska, 1974
          • Species? †B. nemegtbaataroides Kielan-Jaworowska, 1974
        • Genus? †Chulsanbaatar Kielan-Jaworowska, 1974
          • Species? †C. vulgaris Kielan-Jaworowska, 1974 [Chulsanbaataridae]] Kielan-Jaworowska, 1974
        • GenusNemegtbaatar Kielan-Jaworowska, 1974
          • Species? †N. gobiensis Kielan-Jaworowska, 1974
    • Family Sloanbaataridae Kielan-Jaworowska, 1974
        • GenusKamptobaatar Kielan-Jaworowska, 1970
          • Species? †K. kuczynskii Kielan-Jaworowska, 1970
        • GenusNessovbaatar Kielan-Jaworowska & Hurum, 1997
          • SpeciesN. multicostatus Kielan-Jaworowska & Hurum, 1997
        • GenusSloanbaatar Kielan-Jaworowska, 1974
          • SpeciesS. mirabilis Kielan-Jaworowska, 1974 [Sloanbaatarinae]
    • Family Djadochtatheriidae Kielan-Jaworowska $ Hurum, 1997
        • GenusDjadochtatheriumSimpson, 1925
          • SpeciesD. matthewi Simpson, 1925
        • GenusCatopsbaatar Kielan-Jaworowska, 1974
          • SpeciesC. catopsaloides (Kielan-Jaworowska, 1974) Kielan-Jaworowska, 1994 [Djadochtatherium catopsaloides Kielan-Jaworowska, 1974 ; Catopsalis catopsaloides (Kielan-Jaworowska, 1974) Kielan-Jaworowska & Sloan, 1979]
        • GenusTombaatar Kielan-Jaworowska, 1974
          • SpeciesT. sabuli Rougier, Novacek & Dashzeveg, 1997
        • GenusKryptobaatar Kielan-Jaworowska, 1970 [Gobibaatar Kielan-Jaworowska, 1970 , Tugrigbaatar Kielan-Jaworowska & Dashzeveg, 1978]
          • SpeciesK. saichanensis Kielan-Jaworowska & Dashzeveg, 1978 [Tugrigbaatar saichaenensis Kielan-Jaworowska & Dashzeveg, 1978??]
          • SpeciesK. dashzevegi Kielan-Jaworowska, 1970
          • SpeciesK. mandahuensis Smith, Guo & Sun, 2001
          • SpeciesK. gobiensis Kielan-Jaworowska, 1970 [Gobibaatar parvus Kielan-Jaworowska, 1970 ]
  • Superfamily Taeniolabidoidea Granger & Simpson, 1929 sensu Kielan-Jaworowska & Hurum, 2001
    • Family Taeniolabididae Granger & Simpson, 1929
        • GenusCatopsalis Cope, 1882
          • SpeciesC. alexandri Middleton, 1982
          • SpeciesC. collariensis
          • SpeciesC. joyneri Sloan & Van Valen, 1965
          • SpeciesC. matthewi
          • SpeciesC. waddleae Buckley, 1995
          • SpeciesC. calgariensis Russell, 1926
          • SpeciesC. fissidens (Cope, 1884)
          • SpeciesC. foliatus Cope, 1882
          • SpeciesC. utahensis Gazin, 1939
        • GenusPrionessus Matthew & Granger, 1925
          • SpeciesP. lucifer Matthew & Granger, 1925
        • GenusLambdopsalis Chow & Qi, 1978
          • SpeciesL. bulla Chow & Qi, 1978
        • GenusSphenopsalis Matthew, Granger & Simpson, 1928
          • SpeciesS. nobilis Matthew, Granger & Simpson, 1928
        • GenusTaeniolabis Cope, 1882
          • SpeciesT. lamberti Simmons, 1987
          • SpeciesT. taoensis (Cope, 1882)

References

  • Kielan-Jaworowska Z. and Hurum J.H. (2001), "Phylogeny and Systematics of multituberculate mammals". Paleontology 44, p.389-429.
  • Much of this information has been derived from [1] Multituberculata Cope, 1884.

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