Kingdom [Animalia] Linnaeus, 1758 - animals
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   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
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     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
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       Subdivision Bilateralia
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         Phylum Chordata Bateson, 1885 - chordates
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           Subphylum Vertebrata Cuvier, 1812 - vertebrates
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             Class Reptilia Linnaeus, 1758 - reptiles
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               Subclass Lepidosauria Duméril & Bibron, 1839
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                 Order Squamata Oppel, 1811
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                   Suborder Sauria McCartney, 1802 - lizards see Clade Sauria Macartney 1802 [Gauthier & de Queiroz 2020]
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                     Infraorder Scincomorpha Camp, 1923
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                       Family Xantusiidae Baird, 1859 - night lizards
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                         Genus Xantusia Baird, 1858
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