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Megatheria

Mammalia

Taxonomy
Megatheria was named as an unranked clade.

It was reranked as the infraorder Megatheria by White and MacPhee (2001).

It was assigned to Phyllophaga by White and MacPhee (2001); and to Megatherioidea by Amson et al. (2017) and Varela et al. (2019).

Synonymy list
YearName and author
2001Megatheria White and MacPhee
2017Megatheria Amson et al. p. 231 figs. Fig. 10
2019Megatheria Varela et al.

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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()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Americatheria
—Xenarthra()
infraorderPilosaFlower 1883
—Folivora
classEufolivoraDelsuc et al. 2001
superfamilyMegatherioideaGray 1821
—Megatheria
—Megatheria

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. †Megatheria
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Fm. †Megatheriidae Gray 1821
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G. †Diellipsodon Berg 1899
G. †Eomegatherium Kraglievich 1926
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†Eomegatherium andinum Kraglievich 1930
†Eomegatherium cabrerai Kraglievich 1930
†Eomegatherium nanum Burmeister 1891
Subfm. †Megatheriinae Gill 1872
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G. †Anisodontherium Brandoni and De Iuliis 2007
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G. †Diabolotherium Pujos et al. 2007
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†Diabolotherium nordenskioldi Pujos et al. 2007
G. †Eremotherium Spillmann 1948
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†Eremotherium eomigrans De Iuliis and Cartelle 1999
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Invalid names: Chelonia couperi Harlan 1842 [synonym], Eremotherium carolinense Spillmann 1948 [synonym], Eremotherium juanajuatense Duges 1882 [synonym], Megatherium hudsoni White 1941 [synonym], Xenocnus cearensis Paula Couto 1980 [synonym]
†Eremotherium rusconii Schaub 1935
†Eremotherium sefvei De Iuliis and Saint-Andre 1997
Invalid names: Schaubia Hoffstetter 1949 [synonym], Schaubitherium Hoffstetter 1950 [synonym], Xenocnus Paula Couto 1980 [synonym]
G. †Megathericulus Ameghino 1904
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†Megathericulus patagonicus Ameghino 1904
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Invalid names: Megathericulus primaevus Cabrera 1939 [synonym]
G. †Megatheridium Cabrera 1928
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†Megatheridium annectens Cabrera 1928
G. †Megatheriops Ameghino and Kraglievich 1921
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†Megatheriops rectidens Rovereto 1914
G. †Megatherium Cuvier 1796
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†Megatherium altiplanicum Saint-Andre and De Iuliis 2001
†Megatherium americanum Cuvier 1796
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Invalid names: Essonodontherium gervaisi Gervais and Ameghino 1880 [synonym]
†Megatherium bergi Moreno and Mercerat 1891
†Megatherium elenense Hoffstetter 1949
†Megatherium gallardoi Ameghino and Kraglievich 1921
†Megatherium gaudryi Moreno 1888
†Megatherium istilarti Kraglievich 1925
†Megatherium lundi Gervais and Ameghino 1880
†Megatherium medinae Philippi 1893
†Megatherium mirabile Leidy 1855
†Megatherium rectidens Rovereto 1914
†Megatherium sundti Philippi 1893
†Megatherium tarijense Gervais and Ameghino 1880
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Invalid names: Megatherium filholi Moreno 1888 [synonym]
†Megatherium uquiense Kraglievich 1930
†Megatherium urbinai Pujos and Salas 2004
Invalid names: Essonodontherium Ameghino 1884 [synonym], Megatherium antiquum Ameghino 1885 [nomen dubium], Neoracanthus Ameghino 1889 [synonym], Oracanthus Ameghino 1885 [synonym]
G. †Plesiomegatherium Roth 1911
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Invalid names: Plesiomegatherium triangulatum Rusconi 1944 [nomen vanum]
G. †Pliomegatherium Kraglievich 1930
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†Pliomegatherium lelongi Kraglievich 1930
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Invalid names: Pliomegatherium paranensis Kraglievich 1930 [synonym]
G. †Proeremotherium Carlini et al. 2006
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†Proeremotherium eljebe Carlini et al. 2006
G. †Pyramiodontherium Rovereto 1914
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†Pyramiodontherium bergi Moreno and Mercerat 1891
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Invalid names: Plesiomegatherium burmeisteri Moreno and Mercerat 1891 [synonym], Pyramiodontherium dubium Rovereto 1914 [synonym]
†Pyramiodontherium brevirostrum Carlini et al. 2002
†Pyramiodontherium carlesi Kraglievich 1930
†Pyramiodontherium remulsum Ameghino 1886
†Pyramiodontherium scillatoyanei De Iuliis et al. 2004
G. †Sibotherium Rincón et al. 2020
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†Sibotherium ka Rincón et al. 2020
G. †Urumaquia Carlini et al. 2006
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†Urumaquia robusta Carlini et al. 2006
Invalid names: Xenocninae Paula Couto 1980 [synonym]
Unr. †Mylomorpha Ameghino 1885
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G. †Interodon Ameghino 1885
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†Interodon crassidens Ameghino 1885
G. †Promegatherium Ameghino 1883
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†Promegatherium andinum Kraglievich 1930
†Promegatherium cabrerai Kraglievich 1930
†Promegatherium parvulum Ameghino 1891
†Promegatherium smaltatum Ameghino 1883
†Promegatherium smaltatus Ameghino 1883
Subfm. †Planopinae Ameghino 1887
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G. †Planops Ameghino 1887
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†Planops grandis Scillato-Yané and Carlini 1998
†Planops longirostratus Ameghino 1887
†Planops magnus Scott 1904
†Planops martini Hoffstetter 1961
†Planops obesus Ameghino 1891
G. †Prepoplanops Carlini et al. 2013
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†Prepoplanops boleadorensis Carlini et al. 2013
G. †Prepotherium Ameghino 1891
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†Prepotherium filholi Ameghino 1891
†Prepotherium moyani Ameghino 1894
†Prepotherium potens Ameghino 1891
Subfm. †Prepotherinae Ameghino 1894
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G. †Prepotheriops Ameghino 1904
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†Prepotheriops megatheroides Ameghino 1904
G. †Proprepotherium Ameghino 1904
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†Proprepotherium deseadense Ameghino 1904
Unr. †Rodimorpha Ameghino 1885
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G. †Diodomus Ameghino 1885
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†Diodomus copei Ameghino 1885
G. †Zamicrus Ameghino 1889
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†Zamicrus admirabilis Ameghino 1889
Invalid names: Megatheriina Bonaparte 1850 [empty]
Fm. †Nothrotheriidae Ameghino 1920
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G. †Mcdonaldocnus Gaudin et al. 2022
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†Mcdonaldocnus bondesioi Scillato-Yané 1979
†Mcdonaldocnus villarroeli Gaudin et al. 2022
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Invalid names: Xyophorus villarroeli St-Andre 1996 [objective synonym]
G. †Neohapalops Kraglievich 1923
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†Neohapalops rothi Kraglievich 1923
Subfm. †Nothrotheriinae Ameghino 1920
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G. †Amphibradys Scillato-Yané and Carlini 1998
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†Amphibradys guiomari Scillato-Yané and Carlini 1998
G. †Aymaratherium Pujos et al. 2016
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†Aymaratherium jeani Pujos et al. 2016
G. †Chasicobradys Scillato-Yané et al. 1987
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†Chasicobradys intermedius Scillato-Yané et al. 1987
G. †Huilabradys Villarroel 1998
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†Huilabradys magdaleniensis Villarroel 1998
G. †Lakukullus Pujos et al. 2014
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†Lakukullus anatisrostratus Pujos et al. 2014
G. †Mionothropus De Iuliis et al. 2011
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†Mionothropus cartellei De Iuliis et al. 2011
G. †Nothrotheriops Hoffstetter 1954
G. †Nothrotherium Lydekker 1889
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Invalid names: Coelodon escrivanensis Reinhardt 1878 [synonym]
†Nothrotherium mexicanum Freudenberg 1921
†Nothrotherium shastense Sinclair 1905 [Shasta ground sloth]
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Invalid names: Nothrotherium graciliceps Stock 1913 [synonym]
Invalid names: Coelodon Lund [replaced]
G. †Pronothrotherium Ameghino 1907
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†Pronothrotherium mirabilis Kraglievich 1925
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Invalid names: Pronothrotherium figueirasi Perea 1988 [synonym]
†Pronothrotherium subtypicum Rovereto 1914
†Pronothrotherium typicum Ameghino 1907
G. †Xyophorus Ameghino 1887
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†Xyophorus andinus Ameghino 1891
†Xyophorus atlanticus Ameghino 1891
†Xyophorus crassissimus Ameghino 1894
†Xyophorus rostratus Ameghino 1887
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Invalid names: Eurysodon nasutus Mercerat 1891 [synonym]
†Xyophorus sulcatus Ameghino 1891
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Invalid names: Eurysodon boulei Mercerat 1891 [synonym]
Subfm. †Thalassocninae Muizon et al. 2004
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G. †Thalassocnus Muizon and McDonald 1995
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†Thalassocnus antiquus Muizon et al. 2003
†Thalassocnus carolomartini McDonald and Muizon 2002
†Thalassocnus littoralis McDonald and Muizon 2002
†Thalassocnus natans Muizon and McDonald 1995
†Thalassocnus yaucensis Muizon et al. 2004
Diagnosis
No diagnoses are available