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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Craniata (craniates)
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Euteleostomi (bony vertebrates)
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Tetrapoda (tetrapods)
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Amniota (amniotes)
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Order Testudines
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Family Carettochelyidae
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Family Chelidae
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Family Cheloniidae
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Family Chelydridae
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Family Dermatemydidae
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Family Dermochelyidae
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Family Emydidae
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Family Geoemydidae
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Family Kinosternidae
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Family Pelomedusidae
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Family Podocnemididae
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Family Testudinidae
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Family Trionychidae
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