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|  Kingdom Animalia | 
|   | 
Aeolidiidae Gray, 1827 – valid
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Aeolidioidea Gray, 1827 – valid
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Bullidae Gray, 1827 – valid
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|   | 
Bulloidea Gray, 1827 – valid
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Cyrtodactylus Gray, 1827 – valid – Curve-toed Geckos
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Cyrtodactylus pulchellus Gray, 1827 – valid
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Delphinus intermedius Gray, 1827 – invalid
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|   | 
Eublepharis Gray, 1827 – valid
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Eublepharis hardwickii Gray, 1827 – valid
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Glaucidae Gray, 1827 – valid
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Kangurus penicillatus Gray, 1827 – invalid
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Leiocephalus Gray, 1827 – valid – Curly-tailed Lizards
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Leiocephalus carinatus Gray, 1827 – valid – Carinate Curly-tailed Lizard, Northern Curly-tailed Lizard
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|   | 
Leiocephalus carinatus carinatus Gray, 1827 – valid
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Manis crassicaudata Gray, 1827 – invalid – Indian Pangolin
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Mirounga Gray, 1827 – valid – elephant seals
 | 
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Nyctinomus murinus Gray, 1827 – invalid
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Onchidorididae Gray, 1827 – valid
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Onchidoridoidea Gray, 1827 – valid
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Pleurobranchidae Gray, 1827 – valid
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Pleurobranchoidea Gray, 1827 – valid
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Ratellus Gray, 1827 – invalid
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|   | 
Sicista Gray, 1827 – valid – Birch Mice
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Siphonariidae Gray, 1827 – valid
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|   | 
Siphonarioidea Gray, 1827 – valid
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Teiidae Gray, 1827 – valid – Tegus, Ground Lizards, New World Runners, Racerunners, Whiptails, Ameivas
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Teuthis australis Gray, 1827 – invalid
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Tonatia Gray, 1827 – valid – round-eared bats | 
        
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