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Mesonychia (mesonychian)

Mammalia - Acreodi

Taxonomy
Mesonychia was named as an order. It is not extant. Its type is Mesonyx. It was considered monophyletic by Geisler and McKenna (2007).

It was reranked as the superfamily Mesonychoidae by Hay (1930); it was reranked as the superfamily Mesonychoidea by Szalay and Gould (1966) and Gingerich (1982); it was reranked as the unranked clade Mesonychia by Tabuce et al. (2011).

It was assigned to Creodonta by Hay (1930); to Condylarthra by Szalay and Gould (1966) and Gingerich (1982); to Paraxonia by Thewissen et al. (2001); to Eutheria by Carroll (1988) and Geisler and McKenna (2007); and to Acreodi by Tabuce et al. (2011).

Synonymy list
YearName and author
1930Mesonychoidae Hay p. 465
1966Mesonychoidea Szalay and Gould p. 134
1982Mesonychoidea Gingerich p. 708
1988Mesonychia Carroll
2001Mesonychia Thewissen et al. p. suppl.
2007Mesonychia Geisler and McKenna p. 190
2011Mesonychia Tabuce et al. p. 152

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
orderAcreodiMatthew 1909
—Mesonychia
—Mesonychia

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.

Unr. †Mesonychia [mesonychian]
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Fm. †Hapalodectidae Szalay and Gould 1966 [condylarth]
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G. †Hapalodectes Matthew 1909
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†Hapalodectes anthracinus Zhou and Gingerich 1991
†Hapalodectes auctus Matthew and Granger 1925
†Hapalodectes compressus Matthew 1909
†Hapalodectes dux Lopatin 2001
†Hapalodectes hetangensis Ting and Li 1987
†Hapalodectes huanghaiensis Tong and Wang 2006
†Hapalodectes leptognathus Osborn and Wortman 1892
†Hapalodectes lopatini Solé et al. 2017
†Hapalodectes paleocenus Beard et al. 2010
†Hapalodectes paradux Lopatin 2023
†Hapalodectes serus Matthew and Granger 1925
G. †Hapalorestes Gunnell and Gingerich 1996
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†Hapalorestes lovei Gunnell and Gingerich 1996
Fm. †Mesonychidae Cope 1875 [condylarth]
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G. †Dissacus Cope 1881
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†Dissacus argenteus O'Leary and Rose 1995
†Dissacus blayaci Stehlin 1926
†Dissacus bohaiensis Tong and Wang 2006
†Dissacus europaeus Lemoine 1891
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Invalid names: Hyaenodictis gaudryi Lemione 1891 [synonym]
†Dissacus filholi Lemoine 1891
†Dissacus indigenus Dashzeveg 1976
†Dissacus magushanensis Yan and Tang 1976
†Dissacus navajovius Cope 1881
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Invalid names: Dissacus carnifex Cope 1882 [synonym]
†Dissacus praenuntius Matthew and Granger 1915
†Dissacus progressus Crusafont-Pairo and Golpe-Posse 1968
†Dissacus raslanloubatieri Solé et al. 2018
†Dissacus rotundus Wang 1975
†Dissacus rougierae Solé et al. 2018
†Dissacus saurognathus Wortman 1897
†Dissacus serior O'Leary and Rose 1995
†Dissacus serratus Chow and Qi 1978
†Dissacus shanghoensis Chow et al. 1973
†Dissacus willwoodensis O'Leary and Rose 1995
†Dissacus zanabazari Geisler and McKenna 2007
†Dissacus zengi Ting 2004
Invalid names: Hyaenodictis Lemoine 1891 [synonym], Hyoenodictis Lemoine 1880 [synonym], Plesidissacus Lemoine 1894 [synonym]
G. †Dissacusium Chow et al. 1977
G. †Harpagolestes Wortman 1901
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†Harpagolestes brevipes Thorpe 1923
†Harpagolestes immanis Matthew 1909
†Harpagolestes koreanicus Shikama 1943
†Harpagolestes leei Jin 2005
†Harpagolestes leotensis Peterson 1931
†Harpagolestes orientalis Szalay and Gould 1966
G. †Hessolestes Peterson 1931
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†Hessolestes ultimus Peterson 1931
G. †Honanodon Chow 1965
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†Honanodon hebetis Chow 1965
†Honanodon macrodontus Chow 1965
G. †Jiangxia Zhang et al. 1979
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†Jiangxia chaotoensis Zhang et al. 1979
G. †Lohoodon Chow et al. 1973
Subfm. †Mesonychinae Cope 1880
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G. †Ankalagon Van Valen 1980
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Invalid names: Ancalagon Van Valen 1978 [synonym]
G. †Guilestes Zheng and Chi 1978
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†Guilestes acares Zheng and Chi 1978
G. †Hukoutherium Chow et al. 1973
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†Hukoutherium ambigum Chow et al. 1973
†Hukoutherium shimemensis Qi and Huang 1982
G. †Mesonyx Cope 1872
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†Mesonyx dakotensis Scott 1892
†Mesonyx obtusidens Cope 1872
†Mesonyx uqbulakensis Tong 1989
G. †Mongolestes Szalay and Gould 1966
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†Mongolestes hadrodens Szalay and Gould 1966
G. †Mongolonyx Szalay and Gould 1966
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†Mongolonyx dolichognathus Szalay and Gould 1966
G. †Yantanglestes Ideker and Yan 1980
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Invalid names: Lestes Yan and Tang 1976 [replaced]
G. †Metahapalodectes Dashzeveg 1976
G. †Olsenia Matthew and Granger 1925
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†Olsenia mira Matthew and Granger 1925
G. †Pachyaena Cope 1874
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†Pachyaena gigantea Osborn and Wortman 1892
†Pachyaena gracilis Matthew and Granger 1915
†Pachyaena nemegetica Dashzeveg 1976
†Pachyaena ossifraga Cope 1874
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Invalid names: Pachyaena intermedia Wortman 1899 [synonym]
G. †Plagiocristodon Chow and Qi 1978
G. †Sinonyx Zhou et al. 1995
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†Sinonyx jiashanensis Zhou et al. 1995
G. †Synoplotherium Cope 1872
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†Synoplotherium canius Cope 1872
†Synoplotherium lanius Cope 1872
†Synoplotherium vorax Marsh 1876
Invalid names: Dromocyon Marsh 1876 [synonym]
Invalid names: Hapalodectinae Szalay and Gould 1966 [empty]
G. †Simidectes Stock 1933
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†Simidectes magnus Peterson 1919
†Simidectes medius Peterson 1919
†Simidectes merriami Stock 1933
Invalid names: Pleurocyon Peterson 1919 [synonym]
G. †Wyolestes Gingerich 1981
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†Wyolestes apheles Gingerich 1981
†Wyolestes dioctes Gingerich 1982
†Wyolestes iglesius Novacek et al. 1991
Invalid names: Andrewsarchidae Szalay and Gould 1966 [empty], Wyolestidae [empty]
Diagnosis
No diagnoses are available