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| Kingdom Animalia |
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Bregmacerotidae Gill, 1872 – valid – bregmacerotid codfishes, codlets, varlets, bacaletes
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Chaeropodidae Gill, 1872 – valid – pig-footed bandicoots
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Choeropsinae Gill, 1872 – invalid
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Dasyuromorphia Gill, 1872 – valid
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Didelphimorphia Gill, 1872 – valid – didelfimorfo, American marsupials, marsupial
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Ellobiinae Gill, 1872 – invalid
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Ellobiusini Gill, 1872 – invalid
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Eutheria Gill, 1872 – valid
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Leptonychotes Gill, 1872 – valid
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Myoidea Gill, 1872 – invalid
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Oxynotidae Gill, 1872 – valid – rough sharks
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Phascogalinae Gill, 1872 – invalid
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Phascogalini Gill, 1872 – valid
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Prototheria Gill, 1872 – valid – egg-laying mammals
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Siphneinae Gill, 1872 – invalid
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Solenodontidae Gill, 1872 – valid
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Sphyrnidae Gill, 1872 – valid – requins-marteaux, tiburones martillo, bonnethead sharks, hammerhead sharks, scoophead sharks
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Tachyglossidae Gill, 1872 – valid – spiny anteaters, echidnas
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Trichechidae Gill, 1872 – valid – manatees |
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