Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Cimolodonta

Mammalia - Multituberculata

Synonyms
Synonymy list
YearName and author
1975Cimolodonta McKenna p. 40
1997Djadochtatheria Kielan-Jaworowska and Hurum p. 202
2001Cimolodonta Kielan-Jaworowska and Hurum p. 415
2001Cimolodonta Smith et al. p. 32
2002Cimolodonta Scott et al. p. 692
2004Cimolodonta Kielan-Jaworowska et al. pp. 254, 320
2005Cimolodonta Archibald and Averianov
2007Cimolodonta Kielan-Jaworowska et al. p. 257
2014Cimolodonta Beard and Dawson p. 1476
2015Cimolodonta Smith and Codrea p. 4

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
suborderCimolodonta()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subor. †Cimolodonta McKenna 1975
show all | hide all
Fm. †Boffiidae Hahn and Hahn 1983
+
G. †Boffius Vianey-Liaud 1979
+
Boffius splendidus Vianey-Liaud 1979
G. †Bryceomys Eaton 1995
+
Bryceomys fumosus Eaton 1995
Bryceomys hadrosus Eaton 1995
Bryceomys intermedius Eaton and Cifelli 2001
G. †Cedaromys Eaton and Cifelli 2001
+
Cedaromys bestia Eaton and Nelson 1991
Cedaromys minimus Eaton 2009
Cedaromys parvus Eaton and Cifelli 2001
G. †Cimexomys Sloan and Van Valen 1965
+
Cimexomys antiquus Fox 1971
Cimexomys arapahoensis Middleton and Dewar 2004
Cimexomys gregoryi Eaton 1993
Cimexomys hausoi Archibald 1982
Cimexomys judithae Sahni 1972
Cimexomys minor Sloan and Van Valen 1965
Fm. †Cimolomyidae Sloan and Van Valen 1965
+
G. †Buginbaatar Kielan-Jaworowska and Sochava 1969
+
Buginbaatar transaltaiensis Kielan-Jaworowska and Sochava 1969
G. †Cimolomys Marsh 1889
+
Cimolomys bellus Marsh 1889
Cimolomys clarki Sahni 1972
Cimolomys gracilis Marsh 1889
+
Invalid names: Allacodon fortis Marsh 1892 [synonym], Cimolodon agilis Marsh 1892 [synonym], Cimolomys digona Marsh 1889 [synonym], Cimolomys digona Marsh 1889 [synonym], Cimolomys nitidus Marsh 1889 [synonym], Selenacodon brevis Marsh 1889 [synonym]
Cimolomys milliensis Eaton 1993
Cimolomys trochuus Lillegraven 1969
Invalid names: Nanomyops [synonym]
G. †Essonodon Simpson 1927
+
Essonodon browni Simpson 1927
G. †Meniscoessus Cope 1882
+
Meniscoessus collomensis Lillegraven 1987
Meniscoessus ferox Fox 1971
Meniscoessus major Russell 1936
Meniscoessus robustus Marsh 1889
+
Invalid names: Dipriodon lunatus Marsh 1889 [synonym], Halodon sculptus Marsh 1889 [synonym], Meniscoessus borealis Simpson 1927 [synonym], Meniscoessus greeni Wilson 1987 [synonym], Oracodon anceps Marsh 1889 [synonym], Oracodon conulus Marsh 1892 [synonym], Selenacodon fragilis Marsh 1889 [synonym], Tripriodon coelatus Marsh 1889 [synonym]
Meniscoessus seminoensis Eberle and Lillegraven 1998
Invalid names: Dipriodon Marsh 1889 [synonym], Halodon Marsh 1889 [synonym], Oracodon Marsh 1889 [synonym], Selenacodon Marsh 1889 [synonym]
G. †Paressonodon Wilson et al. 2010
+
Paressonodon nelsoni Wilson et al. 2010
Fm. †Corriebaataridae Rich et al. 2009
+
G. †Corriebaatar Rich et al. 2009
+
Corriebaatar marywaltersae Rich et al. 2009
G. †Dakotamys Eaton 1995
+
Dakotamys malcolmi Eaton 1995
Superfm. †Djadochtatherioidea Kielan-Jaworowska and Hurum 2001
+
G. †Bulganbaatar Kielan-Jaworowska 1974
+
Bulganbaatar nemegtbaataroides Kielan-Jaworowska 1974
G. †Chulsanbaatar Kielan-Jaworowska 1974
+
Chulsanbaatar vulgaris Kielan-Jaworowska 1974
Fm. †Djadochtatheriidae Kielan-Jaworowska and Hurum 1997
+
G. †Catopsbaatar Kielan-Jaworowska 1994
+
Catopsbaatar catopsaloides Kielan-Jaworowska 1974
G. †Djadochtatherium Simpson 1925
+
Djadochtatherium matthewi Simpson 1925
G. †Guibaatar Wible et al. 2019
+
Guibaatar castellanus Wible et al. 2019
G. †Kryptobaatar Kielan-Jaworowska 1969
+
Kryptobaatar dashzevegi Kielan-Jaworowska 1969
+
Invalid names: Gobibaatar parvus Kielan-Jaworowska 1969 [synonym], Tugrigbaatar saichanensis Kielan-Jaworowska and Dashzeveg 1978 [synonym]
Kryptobaatar mandahuensis Smith et al. 2001
Invalid names: Gobibaatar Carroll 1988 [synonym], Tugrigbaatar Kielan-Jaworowska and Dashzeveg 1978 [synonym]
G. †Mangasbaatar Rougier et al. 2016
+
Mangasbaatar udanii Rougier et al. 2016
G. †Tombaatar Rougier et al. 1997
+
Tombaatar sabuli Rougier et al. 1997
G. †Nemegtbaatar Kielan-Jaworowska 1974
+
Nemegtbaatar gobiensis Kielan-Jaworowska 1974
Fm. †Sloanbaataridae Kielan-Jaworowska 1974
+
G. †Kamptobaatar Kielan-Jaworowska 1969
+
Kamptobaatar kuczynskii Kielan-Jaworowska 1969
G. †Nessovbaatar Kielan-Jaworowska and Hurum 1997
+
Nessovbaatar multicostatus Kielan-Jaworowska and Hurum 1997
G. †Sloanbaatar Kielan-Jaworowska 1969
+
Sloanbaatar mirabilis Kielan-Jaworowska 1969
Invalid names: Chulsanbaataridae Kielan-Jaworowska 1974 [invalid subgroup]
Fm. †Eucosmodontidae Jepsen 1940
+
G. †Clemensodon Krause 1992
+
Clemensodon megaloba Krause 1992
G. †Eucosmodon Matthew and Granger 1921
+
Eucosmodon americanus Cope 1885
Eucosmodon primus Sloan 1981
Eucosmodon sparsus Simpson 1937
Subfm. †Eucosmodontinae Jepsen 1940
+
G. †Stygimys Sloan and Van Valen 1965
+
Stygimys camptorhiza Johnston and Fox 1984
Stygimys gratus Jepsen 1930
Stygimys jepseni Simpson 1935
Stygimys kuszmauli Sloan and Van Valen 1965
+
Invalid names: Stygimys cupressus Fox 1989 [synonym]
Stygimys teilhardi Granger and Simpson 1929
Stygimys vastus Lofgren et al. 2005
Fm. †Kogaionidae Râdulescu and Samson 1996
+
G. †Barbatodon Radulesco and Samson 1987
+
Barbatodon oardaensis Codrea et al. 2014
Barbatodon transylvanicus Radulesco and Samson 1987
G. †Hainina Vianey-Liaud 1979
+
Hainina belgica Vianey-Liaud 1979
Hainina godfriauxi Vianey-Liaud 1979
Hainina pyrenaica Peláez-Campomanes et al. 2000
Hainina vianeyae Peláez-Campomanes et al. 2000
G. †Kogaionon Râdulescu and Samson 1996
+
Kogaionon radulescui Smith et al. 2022
Kogaionon ungureanui Radulescu and Samson 1996
G. †Litovoi Csiki-Sava et al. 2018
+
Litovoi tholocephalos Csiki-Sava et al. 2018
Fm. †Microcosmodontidae Holtzman and Wolberg 1977
+
G. †Acheronodon Archibald 1982
+
Acheronodon garbani Archibald 1982
G. †Allocosmodon Fox 2005
+
Allocosmodon woodi Holtzman and Wolberg 1977
G. †Alopocosmodon Scott et al. 2013
+
Alopocosmodon hadrus Scott et al. 2013
G. †Microcosmodon Jepsen 1930
+
Microcosmodon arcuatus Johnston and Fox 1984
Microcosmodon conus Jepsen 1930
Microcosmodon harleyi Weil 1998
Microcosmodon rosei Krause 1980
G. †Pentacosmodon Jepsen 1940
+
Pentacosmodon pronus Jepsen 1940
G. †Paracimexomys Archibald 1982
+
Paracimexomys crossi Cifelli 1997
Paracimexomys magnus Sahni 1972
Paracimexomys perplexus Eaton and Cifelli 2001
Paracimexomys priscus Lillegraven 1969
Paracimexomys propriscus Hunter et al. 2010
Paracimexomys robisoni Eaton and Nelson 1991
Superfm. †Ptilodontoidea Sloan and Van Valen 1965
+
Fm. †Cimolodontidae Marsh 1889
+
G. †Anconodon Jepsen 1940
+
Anconodon cochranensis Russell 1929
+
Invalid names: Anconodon lewisi Sloan 1987 [synonym]
Anconodon gidleyi Simpson 1935
Anconodon russelli Simpson 1935
G. †Cimolodon Marsh 1889
+
Cimolodon akersteni Weaver et al. 2019
Cimolodon electus Fox 1971
Cimolodon nitidus Marsh 1889
+
Invalid names: Allacodon rarus Marsh 1892 [synonym], Halodon serratus Marsh 1889 [synonym], Nanomys minutus Marsh 1889 [synonym]
Cimolodon parvus Marsh 1892
Cimolodon peregrinus Donohue et al. 2013
Cimolodon similis Fox 1971
Cimolodon wardi Eaton 2006
Invalid names: Nanomys Marsh 1889 [synonym]
G. †Liotomus Cope 1884
+
Liotomus marshi Cope 1884
G. †Neoliotomus Jepsen 1930
+
Neoliotomus conventus Jepsen 1930
Neoliotomus ultimus Granger and Simpson 1928
Fm. †Neoplagiaulacidae Ameghino 1890
+
G. †Cernaysia Vianey-Liaud 1986
+
Cernaysia davidi Vianey-Liaud 1986
Cernaysia manueli Vianey-Liaud 1986
G. †Ectypodus Matthew and Granger 1921
+
Ectypodus aphronorus Sloan 1987
Ectypodus arctos Beard and Dawson 2014
Ectypodus childei Kühne 1969
Ectypodus laytoni Jepsen 1940
Ectypodus lovei Sloan 1966
Ectypodus musculus Matthew and Granger 1921
Ectypodus powelli Jepsen 1940
Ectypodus riansensis Marandat et al. 2012
Ectypodus simpsoni Jepsen 1930
Ectypodus szalayi Sloan 1981
Ectypodus tardus Jepsen 1940
Invalid names: Charlesmooria Kühne 1969 [synonym]
G. †Filikomys Weaver et al. 2020
+
Filikomys minor Eaton 2002
Filikomys primaevus Lambe 1902
+
Invalid names: Mesodma archibaldi Eaton 2002 [synonym]
G. †Krauseia Vianey-Liaud 1986
+
Krauseia clemensi Sloan 1981
G. †Mesodma Jepsen 1940
+
Mesodma ambigua Jepsen 1940
Mesodma formosa Marsh 1889
Mesodma hensleighi Lillegraven 1969
Mesodma pygmaea Sloan 1987
Mesodma senecta Fox 1971
Mesodma thompsoni Clemens 1964
+
Invalid names: Mesodma garfieldensis Archibald 1982 [synonym]
G. †Mesodmops Tong and Wang 1994
+
Mesodmops dawsonae Tong and Wang 1994
Mesodmops tenuis Missiaen and Smith 2008
G. †Mimetodon Jepsen 1940
+
Mimetodon churchilli Jepsen 1940
Mimetodon krausei Sloan 1981
Mimetodon silberlingi Simpson 1935
G. †Neoplagiaulax Lemoine 1882
+
Neoplagiaulax burgessi Archibald 1982
Neoplagiaulax donaldorum Scott and Krause 2006
Neoplagiaulax grangeri Simpson 1935
Neoplagiaulax hazeni Jepsen 1940
Neoplagiaulax hunteri Simpson 1936
Neoplagiaulax jepi Sloan 1987
Neoplagiaulax kremnus Johnston and Fox 1984
Neoplagiaulax mckennai Sloan 1987
Neoplagiaulax nanophus Holtzman 1978
Neoplagiaulax serrator Scott 2005
Invalid names: Neoplagiaulax nelsoni Sloan 1987 [nomen nudum]
G. †Nidimys Hunter et al. 2010
+
Nidimys occultus Hunter et al. 2010
G. †Parectypodus Jepsen 1930
+
Parectypodus armstrongi Johnston and Fox 1984
Parectypodus corystes Scott 2003
Parectypodus foxi Storer 1991
Parectypodus lunatus Krause 1982
Parectypodus sinclairi Simpson 1935
Parectypodus sloani Schiebout 1974
Parectypodus sylviae Rigby, Jr. 1980
+
Invalid names: Parectypodus pattersoni Sloan 1987 [synonym]
Parectypodus vanvaleni Sloan 1981
G. †Parikimys Wilson et al. 2010
+
Parikimys carpenteri Wilson et al. 2010
G. †Xanclomys Rigby, Jr. 1980
+
Xanclomys mcgrewi Rigby, Jr. 1980
G. †Xyronomys Rigby, Jr. 1980
+
Xyronomys robinsoni Middleton and Dewar 2004
Xyronomys swainae Rigby, Jr. 1980
Invalid names: Ectypodidae Sloan and Van Valen 1965 [synonym]
Fm. †Ptilodontidae Cope 1887
+
G. †Aenigmamys Scott 2021
+
Aenigmamys aries Scott 2021
G. †Baiotomeus Krause 1987
+
Baiotomeus douglassi Simpson 1935
Baiotomeus lamberti Krause 1987
Baiotomeus rhothonion Scott 2003
Baiotomeus russelli Scott et al. 2002
G. †Kimbetohia Simpson 1936
+
Kimbetohia campi Simpson 1936
Kimbetohia mziae Middleton and Dewar 2004
G. †Prochetodon Jepsen 1940
+
Prochetodon cavus Jepsen 1940
Prochetodon foxi Krause 1987
Prochetodon speirsae Scott 2004
Prochetodon taxus Krause 1987
G. †Ptilodus Cope 1881
+
Ptilodus ferronensis Gazin 1941
Ptilodus fractus Dorr 1952
Ptilodus gnomus Scott et al. 2002
Ptilodus kummae Krause 1977
Ptilodus mediaevus Cope 1881
+
Invalid names: Chirox plicatus Cope 1884 [synonym]
Ptilodus montanus Douglass 1908
+
Invalid names: Ptilodus admirabilis Hay 1930 [synonym]
Ptilodus tsosiensis Sloan 1981
Ptilodus wyomingensis Jepsen 1940
Invalid names: Chirox Cope 1884 [synonym]
Superfm. †Taeniolabidoidea Sloan and Van Valen 1965
+
G. †Erythrobaatar Jin et al. 2022
+
Erythrobaatar ganensis Jin et al. 2022
Fm. †Lambdopsalidae Chow and Qi 1978
+
G. †Lambdopsalis Chow and Qi 1978
+
Lambdopsalis bulla Chow and Qi 1978
G. †Prionessus Matthew and Granger 1925
+
Prionessus lucifer Matthew and Granger 1925
G. †Sphenopsalis Matthew et al. 1928
+
Sphenopsalis nobilis Matthew et al. 1928
Fm. †Taeniolabididae Granger and Simpson 1929
+
G. †Bubodens Wilson 1987
+
Bubodens magnus Wilson 1987
G. †Catopsalis Cope 1882
+
Catopsalis alexanderi Middleton 1982
Catopsalis calgariensis Russell 1926
Catopsalis fissidens Cope 1884
+
Invalid names: Catopsalis utahensis Gazin 1939 [synonym]
Catopsalis foliatus Cope 1882
+
Invalid names: Catopsalis johnstoni Fox 1989 [synonym]
Catopsalis kakwa Scott et al. 2018
Catopsalis waddleae Buckley 1995
G. †Kimbetopsalis Williamson et al. 2016
+
Kimbetopsalis simmonsae Williamson et al. 2016
G. †Taeniolabis Cope 1882
+
Taeniolabis lamberti Simmons 1987
Taeniolabis scalper Cope 1884
Taeniolabis taoensis Cope 1882
+
Invalid names: Catopsalis pollux Cope 1882 [synonym], Polymastodon latimolis Cope 1885 [synonym], Polymastodon selenodus Osborn and Earle 1895 [synonym], Taeniolabis sulcatus Cope 1882 [synonym], Taeniolabis triserialis Granger and Simpson 1929 [synonym]
Invalid names: Polymastodon Cope 1882 [synonym]
G. †Valenopsalis Williamson et al. 2016
+
Valenopsalis joyneri Sloan and Van Valen 1965
G. †Uzbekbaatar Kielan-Jaworowska and Nessov 1992
+
Uzbekbaatar kizylkumensis Kielan-Jaworowska and Nessov 1992
Uzbekbaatar wardi Averianov 1999
G. †Viridomys Fox 1971
+
Viridomys orbatus Fox 1971
G. †Yubaatar Xu et al. 2015
+
Yubaatar qianzhouensis Hu and Han 2021
Yubaatar zhongyuanensis Xu et al. 2015
Invalid names: Djadochtatheria Kielan-Jaworowska and Hurum 1997 [synonym]
Diagnosis
ReferenceDiagnosis
Z. Kielan-Jaworowska and J. H. Hurum 1997 (Djadochtatheria)A clade of multituberculates with skull length varying between 20 and
70 mm, dental formula 2 0 3-4 2 1 1 0 2 2, unicuspid I2 and double-rooted upper premolars. Djadochtatherians are characterized by the following synapomorphies: large frontals, pointed anteriorly in the middle, deeply inserted between the nasals; U-shaped fronto-parietal suture; a sharp edge between the lateral and palatal walls of premaxilla (rounded in other multituberculates). A large roughly rectangular facial surface of the lacrimal, exposed on the cranial roof, separating the frontal from the maxilla is also characteristic for Djadochtatheria, but this may be a plesiomorphy