Classification of Paula Couto 1956

Or. Cetacea Brisson 1762 [whale]
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Subor. Odontoceti Flower 1867 [toothed whale]
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Superfm. Platanistoidea Simpson 1945
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Fm. Platanistidae Gray 1846
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Subfm. Iniinae Flower 1867
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G. †Plicodontinia Miranda-Ribeiro 1938
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Plicodontinia mourai Miranda-Ribeiro 1938
Or. Rodentia [rodent]
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Infraor. †Hystricomorpha
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Superfm. Cavioidea Fischer de Waldheim 1817
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Fm. Heptaxodontidae Anthony 1917
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Subfm. †Eumegamyinae Kraglievich 1926
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G. †Phoberomys Kraglievich 1926
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Phoberomys bordasi Patterson 1942
Or. †Notoungulata Roth 1903 [notoungulate]
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Subor. †Toxodonta Ameghino 1887
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Fm. †Toxodontidae Ameghino 1889
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Subfm. †Haplodontheriinae Ameghino 1907
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G. †Abothrodon Paula Couto 1944
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Abothrodon pricei Paula Couto 1956
G. †Neotrigodon Spillmann 1949
G. †Trigodonops Kraglievich 1930
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Trigodonops lopesi Roxo 1821
G. †Toxodon Owen 1837
Or. Edentata Cuvier 1798
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Subor. Xenarthra Cope 1889 [edentate]
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Infraor. Pilosa Flower 1883
Or. Sirenia Illiger 1811 [sirenian]
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Subor. Trichechiformes Hay 1923
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Fm. Trichechidae Gray 1825 [manatee]
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G. Trichechus Linnaeus 1758 [manatee]
Or. Proboscidea Illiger 1811 [proboscidean]
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Superfm. Elephantoidea Gray 1821
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Fm. †Gomphotheriidae Hay 1922 [gomphothere]
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Subfm. †Cuvieroniinae Cabrera 1929
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G. †Haplomastodon Hoffstetter 1950
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Haplomastodon waringi Holland 1920
Cingulata Illiger 1811
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Superfm. †Glyptodontoidea Gray 1869
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Fm. †Glyptodontidae Burmeister 1879 [glyptodon]
Pilosa Flower 1883
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Superfm. †Megatherioidea Gray 1821
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Fm. †Megatheriidae Gill 1872
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Subfm. †Megatheriinae Gill 1872
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G. †Eremotherium Spillmann 1948
Superfm. †Mylodontoidea Gill 1872
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Fm. †Mylodontidae Ameghino 1889
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Subfm. †Lestodontinae Ameghino 1888
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G. †Lestodon Gervais 1855
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Lestodon armatus Gervais 1855
Subfm. †Scelidotheriidae Ameghino 1889
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G. †Scelidotherium Owen 1839