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Mylodontidae
Taxonomy
Mylodontidae was named by Ameghino (1889).
It was synonymized subjectively with Megatheriidae by Hay (1902).
It was assigned to Edentata by Kurten and Anderson (1980) and Frailey (1986); to Pilosa by MacFadden et al. (1993); to Eutardigrada by Gaudin (1995); to Cingulata by McDonald and Naples (2007); to Phyllophaga by Kramarz et al. (2010); to Mylodontoidea by Paula Couto (1956), Carroll (1988), Villarroel (2000) and Shockey and Anaya (2011); and to Eufolivora by Varela et al. (2019).
It was synonymized subjectively with Megatheriidae by Hay (1902).
It was assigned to Edentata by Kurten and Anderson (1980) and Frailey (1986); to Pilosa by MacFadden et al. (1993); to Eutardigrada by Gaudin (1995); to Cingulata by McDonald and Naples (2007); to Phyllophaga by Kramarz et al. (2010); to Mylodontoidea by Paula Couto (1956), Carroll (1988), Villarroel (2000) and Shockey and Anaya (2011); and to Eufolivora by Varela et al. (2019).
Synonyms
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Synonymy list
Year | Name and author |
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1889 | Mylodontidae Ameghino |
1956 | Mylodontidae Paula Couto p. 100 |
1980 | Mylodontidae Kurten and Anderson p. 142 |
1986 | Mylodontidae Frailey p. 9 |
1988 | Mylodontidae Carroll |
1993 | Mylodontidae MacFadden et al. p. 235 |
1995 | Mylodontidae Gaudin |
2000 | Mylodontidae Villarroel p. 118 |
2006 | Mirandabradys zabasi Carlini et al. |
2007 | Mylodontidae McDonald and Naples p. 155 |
2010 | Mylodontidae Kramarz et al. |
2011 | Mylodontidae Shockey and Anaya |
2019 | Mylodontidae Varela et al. |
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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.
Fm. †Mylodontidae Ameghino 1889
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Tr. †Lestodontini Gaudin 2004
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G. †Sphenotherus Ameghino 1891
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†Sphenotherus zavaletianus Ameghino 1891
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Invalid names: Sphenotherus paranensis Ameghino 1891 [synonym]
G. †Magdalenabradys Rincón and McDonald 2020
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†Magdalenabradys confusum Hirschfeld 1985
†Magdalenabradys kolossiaia Rincón and McDonald 2020
Subfm. †Mylodontinae Gill 1872
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G. †Archaeomylodon Brambilla and Ibarra 2018
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†Archaeomylodon sampedrinensis Brambilla and Ibarra 2018
G. †Bolivartherium Carlini et al. 2006
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†Bolivartherium codorensis Carlini et al. 2006
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Invalid names: Lestodon codorensis Linares 2004 [replaced]
†Bolivartherium urumaquensis Linares 2004
G. †Glossotherium Owen 1840
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†Glossotherium chapadmalense Kraglievich 1925
†Glossotherium domesticum Roth 1900
†Glossotherium emmersoni Esteban 1988
†Glossotherium garbanii Montellano and Carranza-Castaneda 1981
†Glossotherium phoenesis Cartelle et al. 2019
†Glossotherium robustum Owen 1842
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Invalid names: Glossotherium lettsomi Cabrera 1936 [synonym], Mylodon gracilis Burmeister 1865 [synonym], Pseudolestodon lettsomi Gervais and Ameghino 1880 [synonym], Pseudolestodon morenoii Gervais and Ameghino 1880 [synonym], Pseudolestodon myloides Gervais 1855 [synonym]
†Glossotherium tropicorum Hoffstetter 1952
†Glossotherium wegneri Spillmann 1931
Invalid names: Eumylodon Ameghino 1904 [synonym], Pseudolestodon Gervais and Ameghino 1880 [synonym]
G. †Lestodon Gervais 1855
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†Lestodon antiquus Ameghino 1885
†Lestodon armatus Gervais 1855
†Lestodon garrachicii Moreno 1888
†Lestodon myloides Gervais 1855
†Lestodon urumaquensis Linares 2004
Tr. †Mylodontini Saint-Andre 1994
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G. †Glossotheridium Kraglievich 1934
G. †Mylodon Owen 1859
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†Mylodon ambiguus Ameghino 1885
†Mylodon freudenbergi Hay 1930
†Mylodon martinii Moreno 1888
†Mylodon paranensis Ameghino 1883
†Mylodon renidens Cope 1895
†Mylodon sulcidens Cope 1895
Invalid names: Eubradys [synonym], Grypotherium [synonym], Neomylodon Ameghino 1898 [synonym]
G. †Oreomylodon Hoffstetter 1949
G. †Paramylodon Brown 1903
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†Paramylodon harlani Owen 1840 [Harlan's ground sloth]
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Invalid names: Eubradys antiquus Leidy 1853 [synonym], Megalonyx potens Leidy 1853 [synonym], Mylodon garmani Allen 1913 [synonym], Mylodon harlani tenuiceps Stock 1917 [invalid subgroup], Mylodon sodalis Cope 1878 [synonym], Mylodon tenuceps Stock 1917 [synonym], Oryctotherium missouriense Harlan 1841 [synonym], Oryctotherium oregonense Perkins 1843 [synonym], Paramylodon nebrascensis Brown 1903 [synonym]
G. †Pleurolestodon Rovereto 1914
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†Pleurolestodon acutidens Rovereto 1914
†Pleurolestodon avitus Rovereto 1914
†Pleurolestodon macrodon Rovereto 1914
G. †Prolestodon Kraglievich 1932
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†Prolestodon antiquus Ameghino 1885
†Prolestodon paranensis Ameghino 1889
G. †Simomylodon Saint-André et al. 2010
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†Simomylodon uccasamamensis Saint-André et al. 2010
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Invalid names: Pleurolestodon dalenzae Saint-André et al. 2010 [synonym]
G. †Stenodon Ameghino 1885
G. †Strabosodon Ameghino 1891
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†Strabosodon acuticavus Ameghino 1891
†Strabosodon obtusicavus Ameghino 1891
G. †Nematherium Ameghino 1887
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†Nematherium auca Ameghino 1891
†Nematherium birdi Simpson 1941
†Nematherium declivum Ameghino 1894
†Nematherium longirostris Ameghino 1891
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Invalid names: Nematherium lavagnanum Mercerat 1891 [synonym]
†Nematherium profundatum Ameghino 1891
Subfm. †Orophodontinae Hoffstetter 1954
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G. †Octodontotherium Ameghino 1894
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†Octodontotherium crassidens Ameghino 1897
†Octodontotherium grandae Ameghino 1894
G. †Octomylodon Ameghino 1904
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†Octomylodon aversus Ameghino 1904
†Octomylodon robertoscagliai Scillato-Yané 1977
G. †Paroctodontotherium Shockey and Anaya 2011
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†Paroctodontotherium calleorum Shockey and Anaya 2011
G. †Urumacotherium Bocquentin-Villanueva 1983
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†Urumacotherium campbelli Frailey 1986
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Invalid names: Eomilodon amazonocidentalis Bocquentin and Guilherme 1999 [synonym]
†Urumacotherium garciai Bocquentin-Villanueva 1984
Invalid names: Eomilodon Bocquentin and Guilherme 1999 [synonym]
G. †Pseudoprepotherium Hoffstetter 1961
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†Pseudoprepotherium socorrensis Carlini et al. 2006
†Pseudoprepotherium urumaquensis Carlini et al. 2006
†Pseudoprepotherium venezuelanum Hoffstetter 1961
Invalid names: Mirandabradys Carlini et al. 2006 [synonym]
Subfm. †Scelidotheriinae Ameghino 1889
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G. †Amnotherium Ameghino 1891
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†Amnotherium aculeatum Ameghino 1894
†Amnotherium declivum Ameghino 1894
†Amnotherium profundatum Ameghino 1891
G. †Catonyx Ameghino 1891
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†Catonyx chiliensis Lydekker 1886
†Catonyx cuvieri Lund 1839
†Catonyx tarijensis Ameghino 1891
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Invalid names: Scelidotherium capellini Gervais and Ameghino 1880 [synonym]
G. †Proscelidodon Bordas 1935
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†Proscelidodon gracillimus Rovereto 1914
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Invalid names: Elassotherium altirostre Cabrera 1939 [synonym], Proscelidodon almagroi Rovereto 1914 [synonym]
†Proscelidodon patrius Ameghino 1888
†Proscelidodon rothi Kraglievich 1923
Invalid names: Elassotherium Cabrera 1939 [synonym]
G. †Scelidodon Ameghino 1881
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†Scelidodon almagroi Rovereto 1914
†Scelidodon chiliense Lydekker 1886
†Scelidodon chiliensis Lydekker 1886
†Scelidodon gracillimus Rovereto 1914
†Scelidodon patrius Ameghino 1891
†Scelidodon pendolai Rovereto 1914
†Scelidodon piauiensis Guérin and Faure 2004
†Scelidodon rothi Ameghino 1908
†Scelidodon tarijensis Gervais and Ameghino 1880
G. †Scelidotherium Owen 1839
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†Scelidotherium australis Moreno 1888
†Scelidotherium bravardi Lydekker 1886
†Scelidotherium chapalmalense Ameghino 1908
†Scelidotherium cuvieri Lund 1839
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Invalid names: Megalonyx bucklandii Lund 1839 [synonym], Megalonyx minutus Lund 1839 [synonym], Platonyx brongniartii Lund 1842 [synonym], Platonyx owenii Lund 1842 [synonym], Scelidodon wingei Kraglievich 1923 [synonym]
†Scelidotherium elegans Moreno 1888
†Scelidotherium laevidens Moreno and Mercerat 1891
†Scelidotherium leptocephalum Owen 1839
†Scelidotherium modicum Ameghino 1885
†Scelidotherium patrium Ameghino 1888
†Scelidotherium pozzii Moreno 1888
†Scelidotherium reyesi Hoffstetter 1952
†Scelidotherium tarijense Gervais 1855
G. †Sibyllotherium Scillato-Yané and Carlini 1998
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†Sibyllotherium guenguelianum Scillato-Yané and Carlini 1998
G. †Valgipes Gervais 1874
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†Valgipes bucklandi Lund 1839
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Invalid names: Platyonyx bucklandi Lund 1842 [replaced], Valgipes deformis Gervais 1874 [synonym]
Invalid names: Myrmecophaga gigantea Lund 1839 [nomen nudum]
Invalid names: Lestodontinae Ameghino 1888 [empty], Mirandabradys zabasi Carlini et al. 2006 [nomen dubium], Nematheriinae Mercerat 1891 [empty], Urumacotheriinae Negri and Ferigolo 2004 [empty]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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Molariform height | 1 | 8.30 |
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Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Ji et al. 2002, Nowak 1999, Hendy et al. 2009, Carroll 1988 |
Collections (554 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Oligocene | Peru | Mylodontidae indet. (199563) | |
Deseadan | Bolivia | Paroctodontotherium calleorum (95688) | |
Deseadan | Argentina (Santa Cruz) | Octodontotherium sp. (50074 176269) | |
Deseadan | Bolivia (La Paz) | Octodontotherium sp. (133596) Paroctodontotherium calleorum (142561) | |
Deseadan | Uruguay | Scelidodon sp. (176487) | |
Late/Upper Oligocene | Peru (Loreto) | Mylodontidae indet. (176147) | |
Late/Upper Oligocene | Argentina (Mendoza) | Octodontotherium sp. (220946) | |
Colhuehuapian | Peru | Pseudoprepotherium sp. (176149) | |
Colhuehuapian | Argentina (Mendoza) | Mylodontinae indet. (189522) | |
Burdigalian | Argentina (Chubut) | Nematherium sp. (176205) | |
Youngest occurrences |
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Time interval | Ma | Country or state | PBDB collection number |
Late/Upper Pleistocene | Guatemala (Peten) | Mylodon sp., Paramylodon sp. (71312) | |
Late/Upper Pleistocene | Argentina (Tucumán) | Scelidodon sp. (212839) | |
Late/Upper Pleistocene - Holocene | Brazil (Sergipe) | Catonyx cuvieri (147191) | |
Late/Upper Pleistocene - Holocene | Brazil (Bahia) | Scelidodon cuvieri (71313) Scelidotheriinae indet., Valgipes bucklandi, Catonyx cuvieri (212448 212449) | |
Late/Upper Pleistocene - Holocene | Chile | Mylodon listai (71340) Mylodontidae indet. (71266) | |
Late/Upper Pleistocene - Holocene | Brazil (Minas Gerais) | Valgipes bucklandi (212719) | |
Late/Upper Pleistocene - Holocene | Argentina (Buenos Aires) | Lestodon sp. (191127) | |
Late/Upper Pleistocene - Holocene | Argentina (San Luis) | Scelidodon chiliense (141949) | |
Holocene | Chile (Ultima Esperanza) | Mylodon darwinii (151088) | |
Holocene | Argentina | Mylodon listai (71343) |