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| Kingdom Animalia |
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Abrocomidae Miller and Gidley, 1918 -- valid -- chinchilla rats, Inca rats |
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Agoutidae Gray, 1821 -- invalid |
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Anomaluridae Gervais, 1849 -- valid -- Scaly-tailed Squirrels |
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Anomalurinae Gervais, 1849 -- valid |
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Anomaluromorpha Bugge, 1974 -- valid |
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Arvicolidae Gray, 1821 -- invalid |
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Bathyergidae Waterhouse, 1841 -- valid -- African mole-rats |
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Caniformia Kretzoi, 1938 -- valid -- dog-like carnivores |
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Capromyidae Smith, 1842 -- invalid -- capromyid rodents |
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Catoptera Rafinesque, 1815 -- invalid |
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Caviidae Fischer de Waldheim, 1817 -- valid -- cavies, capybaras, rock cavies, maras |
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Chinchillidae Bennett, 1833 -- valid -- viscachas, chinchillas |
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Ctenodactylidae Gervais, 1853 -- valid -- Gundis, Comb Rats |
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Ctenomyidae Lesson, 1842 -- valid -- tuco-tucos |
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Ctenomyini Lesson, 1842 -- invalid |
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Ctenomys Blainville, 1826 -- valid |
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Dasyprocta Illiger, 1811 -- valid -- agoutis |
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Dasyproctinae Gray, 1825 -- invalid |
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Deomyes Thomas, 1888 -- invalid |
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Dinomyidae Peters, 1873 -- valid -- pacarana |
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Echimyidae Gray, 1825 -- valid -- hutias, South American spiny-rats, coypu |
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Erethizontidae Bonaparte, 1845 -- valid -- New World porcupines |
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Feliformia Kretzoi, 1945 -- valid -- cat-like carnivores |
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Globiceps Flower, 1884 -- invalid |
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Hapalotis Lichtenstein, 1829 -- invalid |
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Hydrochaeridae Gray, 1825 -- invalid |
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Hydrochoerinae Gray, 1825 -- valid -- capybaras, rock cavies |
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Hyperoodontidae Gray, 1846 -- valid -- beaked whales |
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Hystricidae Fischer de Waldheim, 1817 -- valid -- Old World porcupines |
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Hystricognatha Woods, 1976 -- invalid |
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Hystricognathi Brandt, 1855 -- valid -- hystricognath rodents |
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Muridae Illiger, 1811 -- valid -- campagnols, rats, souris, mice, rats, voles |
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Murinae Illiger, 1811 -- valid -- Old World rats, Old World mice |
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Myocastor Kerr, 1792 -- valid -- nutrias |
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Myocastoridae Ameghino, 1902 -- invalid -- nutrias |
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Myocastorinae Ameghino, 1902 -- invalid |
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Myomorpha Brandt, 1855 -- valid -- Rats, souris, Mice, Rats, Voles, Gerbils, Hamsters, Lemmings |
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Myoprocta Thomas, 1903 -- valid -- acouchys |
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Myoxidae Gray, 1821 -- invalid |
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Myoxinae Gray, 1821 -- invalid |
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Octodontidae Waterhouse, 1840 -- valid -- viscacha rats, degus, rock rats, coruro |
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Pedetidae Gray, 1825 -- valid -- Spring Hares |
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Petromuridae Tullberg, 1899 -- valid -- noki |
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Platacanthomyinae Alston, 1876 -- invalid |
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Sciuravida McKenna and Bell, 1997 -- invalid |
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Sciurognathi -- invalid |
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Sciuromorpha Brandt, 1855 -- valid -- squirrels |
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Sigmodontes Wagner, 1843 -- invalid |
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Sigmodontinae Wagner, 1843 -- valid -- New World rats, New World mice |
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Thryonomyidae Pocock, 1922 -- valid -- cane rats |
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Tomomys Brandt, 1855 -- invalid |
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Tylomyini McKenna and Bell, 1997 -- invalid |
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Ziphiidae Gray, 1865 -- invalid |
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